Doom is here! Well, kind of. Robert Downey Jr's incarnation of the legendary Marvel villain has made a muted first appearance in the post-credits scene of Fantastic Four: First Steps, which seemingly sets up the plot of Avengers: Doomsday.

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The character is seen sneaking into the living room of Marvel's First Family and approaching the young Franklin Richards, son of Reed (Pedro Pascal) and Sue (Vanessa Kirby), who appears to have godlike powers.

Doom doesn't say anything in the scene, but does take off his mask to reveal his face to Franklin, something that the character rarely does in the comics – but then, Robert Downey Jr isn't getting paid the big bucks to not show his face!

Indeed, a report by Variety earlier this month revealed that, since 2008, Downey Jr has earned between $500 and $600 million from Marvel Studios, where he has made seven movies and three cameo appearances as Tony Stark.

That number can be expected to grow after the one-two punch of Doomsday and Secret Wars, which are perhaps the most ambitious movies that the studio has yet attempted – which is why fans are rather nervous about one creative choice.

Producer Kevin Feige has confirmed (via The Hollywood Reporter) that the script is still being worked on and changed right now, while cameras are rolling, which he views as a major strength of the production.

He said: "Those actors, both the ones that are playing these characters for the first or second time and the ones playing them for the 10th or 12th time, are the best in the world at it, and know these characters so well.

"So if they have an idea, you want to listen to it and you want to adjust to it and you want to improve it. I wouldn't want to change that," added Feige.

Here's hoping that the gamble pays off – read on for everything we know so far about Avengers: Doomsday.

Avengers: Doomsday release date

Robert Downey Jr stands in the centre, wearing green and holding a Doom mask, with the Russo brothers on his right-hand side and Marvel execs Louis D'Esposito and Kevin Feige on his left
(L-R) Louis D'Esposito, Kevin Feige, Robert Downey Jr, Joe Russo and Anthony Russo. Alberto E. Rodriguez/Getty Images for Disney

Avengers: Doomsday has now had its release date pushed back from 1st May 2026 to 18th December 2026.

This means the movie will drop on the same day as the Dune: Part Two sequel, Dune: Messiah.

Meanwhile, filling the film's original slot in May will be Disney's long-awaited sequel to The Devil Wears Prada.

Who will star in Avengers: Doomsday? Confirmed members

The Fantastic Four stars Joseph Quinn, Ebon Moss-Bachrach, Pedro Pascal and Vanessa Kirby standing next to each other in front of boarding for San Diego Comic-Con 2024. Moss-Bachrach has his arms around Quinn and Pascal and is looking at Quinn. Pascal is resting his head against Moss-Bachrach's shoulder. Kirby is looking to the side and has her hand in front of Pascal's chest.
The Fantastic Four stars Joseph Quinn, Ebon Moss-Bachrach, Pedro Pascal and Vanessa Kirby. Gilbert Flores/Variety via Getty Images

Avengers: Doomsday stars Robert Downey Jr as Victor Von Doom, who will be a towering villain that unites the combined might of several superhero teams.

It's unclear as yet precisely what Doom has planned, or if he'll have any direct connection to Downey Jr's earlier role of Tony Stark (aka Iron Man), but he must have a pretty spectacular plan to warrant so much opposition.

The ensemble cast of Doomsday now includes members of the Avengers, Fantastic Four, X-Men and Thunderbolts teams, as well as wild card choices like Namor (Tenoch Huerta) and Loki (Tom Hiddleston), whose allegiances could shift.

Anthony Mackie is reprising the role of Sam Wilson aka Captain America, who was tasked with putting together a new Avengers team at the end of his recent solo outing Brave New World.

Likely candidates for that group include Letitia Wright's Shuri, the new Black Panther, plus Chris Hemsworth's Thor, Simu Liu's Shang-Chi, Paul Rudd's Ant-Man and Danny Ramirez's Falcon.

Anthony Mackie as Sam Wilson/Captain America in Captain America: Brave New World
Anthony Mackie as Sam Wilson/Captain America in Captain America: Brave New World. Eli Adé/Marvel

As previously confirmed, the cast of Fantastic Four: First Steps will also reappear here, comprised of Pedro Pascal (Mr Fantastic), Vanessa Kirby (Invisible Woman), Joseph Quinn (Human Torch) and Ebon Moss-Bachrach (The Thing).

First Steps director Matt Shakman said – apparently mistakenly – in an interview that Mr Fantastic would go on to be "leader" of the Avengers, but Pascal himself has since corrected the record.

"It’s big news to me, that's for one," he joked, in an interview with Associated Press. "There is something that happens in the comics where he is sort of drawn in by the Avengers family and asked to be put into a leadership position.

"That is something that happens in the comics. It isn't necessarily something that my character's future entails."

Meanwhile, in a surprise move, Marvel Studios has also announced the return of several cast members from 20th Century Fox's X-Men franchise, which appears to have been revived in the wake of Deadpool & Wolverine's success.

Returning from that smash-hit is Channing Tatum as Gambit, alongside franchise veterans Patrick Stewart (Professor X), Ian McKellen (Magneto), Rebecca Romijn (Mystique), Alan Cumming (Nightcrawler), James Marsden (Cyclops) and Kelsey Grammer (Beast).

The Thunderbolts* cast will also reappear in Doomsday, with Florence Pugh (Black Widow), Sebastian Stan (Winter Soldier), Wyatt Russell (USAgent), Hannah John-Kamen (Ghost), David Harbour (Red Guardian) and Lewis Pullman (Sentry) all credited in the announcement.

Here's the confirmed Avengers: Doomsday cast in full:

  • Robert Downey Jr (Doctor Doom)
  • Pedro Pascal (Reed Richards/Mr Fantastic)
  • Vanessa Kirby (Sue Storm/Invisible Woman)
  • Joseph Quinn (Johnny Storm/The Human Torch)
  • Ebon Moss-Bachrach (Ben Grimm/The Thing)
  • Anthony Mackie (Sam Wilson/Captain America)
  • Chris Hemsworth (Thor)
  • Letitia Wright (Shuri/Black Panther)
  • Winston Duke (M'Baku)
  • Paul Rudd (Scott Lang/Ant-Man)
  • Simu Liu (Shang-Chi)
  • Danny Ramirez (Joaquin Torres / Falcon)
  • Florence Pugh (Yelena Belova/Black Widow)
David Harbour, Hannah John-Kamen, Sebastian Stan, Florence Pugh and Wyatt Russell in Thunderbolts, stood together in a lift
David Harbour, Hannah John-Kamen, Sebastian Stan, Florence Pugh and Wyatt Russell in Thunderbolts*. Marvel Studios
  • Sebastian Stan (Bucky Barnes/Winter Soldier)
  • Wyatt Russell (John Walker/US Agent)
  • Hannah John-Kamen (Ava Starr/Ghost)
  • David Harbour (Alexei Shostakov/Red Guardian)
  • Lewis Pullman (Bob/Sentry)
  • Patrick Stewart (Charles Xavier/Professor X)
  • Ian McKellen (Erik Lehnsherr/Magneto)
  • James Marsden (Scott Summers/Cyclops)
  • Rebecca Romijn (Raven Darkhölme/Mystique)
  • Alan Cumming (Kurt Wagner/Nightcrawler)
  • Kelsey Grammer (Hank McCoy/Beast)
  • Channing Tatum (Remy LeBeau/Gambit)
  • Tenoch Huerta Mejia (Namor)
  • Tom Hiddleston (Loki)

As you might have noticed, that list includes some rather glaring omissions who were thought to be all but guaranteed for the next Avengers film.

The absence of Tom Holland's Spider-Man, Brie Larson's Captain Marvel, Chris Pratt's Star-Lord, Mark Ruffalo's Hulk and Elizabeth Olsen's Scarlet Witch have been greeted with particular outcry from the fanbase.

However, there is hope yet that these characters could factor into the story, with Marvel teasing on its social media channels that there is "always room for more" cast members.

Meanwhile, while there's been no official word yet on whether Hugh Jackman's Wolverine will make a return to the MCU in the film, with various X-Men stars already announced, it would be a waste not to have Wolverine there.

When asked whether he could be returning to the MCU in Avengers: Doomsday during an appearance on The View, Jackman said in a cryptic response: "I really can't say much, except when you say 'appear', [it's] more like dominate and destroy every other character – I'm kidding."

He continued: "I really have nothing to add, and if I did, I would find a really cool way to not say it, but I actually have nothing to add."

Additionally, this line-up is for Avengers: Doomsday only, which is one half of a two-part storyline set to conclude in 2027's Secret Wars – so it seems likely that the sequel could scoop up some late-comers.

Case in point: Benedict Cumberbatch has already told Business Insider that he'll be in the "next one" as Doctor Strange, after previously assuring fans that Marvel Studios was "cooking up a storm" with its latest cinematic event.

Chris Evans
Chris Evans. Samir Hussein/WireImage

A more confusing case is that of Chris Evans, who was previously reported to be returning for Avengers: Doomsday by the reputable trade publication Deadline. Yet, as of June 2025, Evans is insisting that he was not "invited" back.

The actor told ScreenRant: "It’s sad to not be back with the band, but I'm sure they’re doing something incredible, and I'm sure it's going to be that much harder when it comes out, and you feel like you weren't invited to the party."

Could it be that Evans, who delighted fans with his Deadpool & Wolverine cameo, really was overlooked for a role in Doomsday? Or is the actor taking a page from the book of Andrew Garfield, who admirably denied his role in No Way Home until the last moment?

Only time will tell, but notably, Deadline has also reported that Hayley Atwell is reprising her role as Agent Peggy Carter in Doomsday – and it would be odd if she were to appear without Steve by her side, given the moving final scene of 2019's Endgame.

What is Avengers: Doomsday about?

Robert Downey Jr holding a Doctor Doom mask and wearing green robes and sunglasses on stage at Comic-Con. He is talking into a microphone.
Robert Downey Jr dressed as Doctor Doom at Comic-Con. Matt Winkelmeyer/Getty Images

Avengers: Doomsday does not yet have an official plot synopsis, but the movie is set to formally introduce Victor von Doom as a major threat to the Marvel multiverse.

The character made a brief appearance in the Fantastic Four: First Steps post-credits scene, where he is seen (albeit, only from behind), approaching the universe's most powerful four-year-old: Franklin Richards.

What does he want with him exactly? That remains to be seen.

Much like Infinity War and Endgame, which became two of the highest-grossing films of all time, Doomsday and its sequel Secret Wars will serve as two parts of a larger narrative – with one leading directly into the other.

Teasing the plot to The Hollywood Reporter, co-director Joe Russo said: "I think these movies are going to be a surprise to people – we found a way into the story that’s very exciting to us but we think very radical and I think it’s going to challenge audiences."

In the 2016 comic book series Secret Wars, upon which the film may be inspired, Doctor Doom salvages elements of a destroyed multiverse and reforms them as 'Battleworld' – a domain in which he is the unquestioned god and ruler.

Prior to this storyline, the Marvel comics had dealt with the concept of incursions, whereby one reality would collide with another, either destroying both or causing one side to take a deadly defensive action.

Anthony Mackie plays Sam Wilson in Captain America: Brave New World, wearing civilian clothes but holding his classic shield in a dark room
Anthony Mackie plays Sam Wilson in Captain America: Brave New World Marvel Studios

Perhaps these terrifying events might begin occurring in Avengers: Doomsday, leading Doctor Doom to create his surreal new reality as he did in the source material – leaving enormous questions lingering for Secret Wars to answer.

The post-credits scene in Thunderbolts* added weight to this theory, with Yelena Belova (Florence Pugh) addressing a "space crisis" which could well be other planets or realities on a collision course with Earth.

Yelena vents frustration that her own New Avengers teams are viewed negatively by the press and public, while Sam Wilson's separately assembled team is regarded as more legitimate – and refusing to share intel.

That's when an inter-dimensional ship carrying the Fantastic Four is spotted entering the atmosphere, with the team likely to be carrying a dire warning of apocalyptic threat (if the film's subtitle is any indication).

Interestingly, the Thunderbolts* post-credits scene was actually filmed on the set of Avengers: Doomsday, with director Jake Schreier describing it as "a small hint of that film" (via Entertainment Weekly).

Ghost, Bob, Yelena and John Walker peer round a corner in a scene from Thunderbolts*
(L-R) Hannah John-Kamen, Lewis Pullman, Florence Pugh and Wyatt Russell in Marvel Studios' Thunderbolts*. Chuck Zlotnick/Marvel

Another threat to the Fantastic Four will come from a most unexpected place, with Nightcrawler actor Alan Cumming recently revealing that he's filming an action scene that involves "hitting Pedro Pascal against the head" (via Buzzfeed).

No doubt Mr Fantastic and Nightcrawler will eventually reconcile to face their real adversary.

Don't expect the crossover to come to a neat conclusion, though, with Captain America star Mackie apparently confirming that – as expected – Doomsday will end on a cliffhanger comparable to the catastrophic 'snap' in 2018's Infinity War.

"It's one of those stories that really pushes the boundaries," he teased in an interview with Collider. The cliffhanger at the end... the last moments of the film, it really builds and sets us up for a way for the continuation of the Marvel saga, which is really exciting."

Mackie added: "You see these characters, and you see how they're introduced and how they play in the universe moving forward, and no one is safe. Everyone is expendable."

In an interview with RadioTimes.com, Anthony Russo added: "We think we finally lit on an idea that we felt really made it worth us coming back to tell another story... You should be excited for what we've got coming."

Why was Avengers: The Kang Dynasty cancelled?

Jonathan Majors as Kang in Ant-Man and The Wasp: Quantumania
Jonathan Majors as Kang in Ant-Man and The Wasp: Quantumania. YouTube/Marvel

Previously, the fifth movie in the Avengers franchise was to be named The Kang Dynasty and to continue plot threads previously established in Disney Plus series Loki and Marvel blockbuster Ant-Man and the Wasp: Quantumania.

Jonathan Majors appeared in both projects as variants of Kang the Conquerer; a powerful time-travelling menace who was initially intended to be the MCU's next Thanos-level threat.

However, Majors was dropped by Marvel Studios after he was found guilty of assaulting and harassing his ex-girlfriend by a jury in New York. He was convicted on two counts but acquitted of a different assault charge and of aggravated harassment.

Some had expected Marvel Studios to continue the storyline with a new actor as Kang, but the company has instead decided to go in an entirely different direction with its plans.

Is there an Avengers: Doomsday trailer?

Not yet! But we'll update this page the moment that any footage arrives.

Avengers: Doomsday is coming to cinemas in May 2026.

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Authors

Patrick CremonaSenior Film Writer

Patrick Cremona is the Senior Film Writer at Radio Times, and looks after all the latest film releases both in cinemas and on streaming. He has been with the website since October 2019, and in that time has interviewed a host of big name stars and reviewed a diverse range of movies.

David CraigSenior Drama Writer

David Craig is the Senior Drama Writer for Radio Times, covering the latest and greatest scripted drama and comedy across television and streaming. Previously, he worked at Starburst Magazine, presented The Winter King Podcast for ITVX and studied Journalism at the University of Sheffield.

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