❚ We may earn commission from links on this page. Our editorial is always independent (learn more).
Avengers: Doomsday first-look trailer reveals Robert Downey Jr's Doctor Doom
Downey Jr's villain teases "an unthinkable decision" in the new footage.
Marvel Studios
- James Hibbs
Published: Monday, 20 July 2026 at 3:28 pm
Subscribe to Radio Times: 10 weeks for £10, including the Christmas double issue
With less than five months to go until the release of Avengers: Doomsday, a first-look trailer has finally been unveiled, giving us our best look yet at Robert Downey Jr's Doctor Doom.
Ad
The trailer features the same footage as was shown at CinemaCon in April, but has finally now been released online for all to see.
It kicks off with Downey Jr's voice as Doom remarking that "Something's coming, something we may not be able to deter."
He continues, saying: "Before this day is done, we shall be faced with an unthinkable decision."
Throughout the trailer we get shots of X-Men characters, including Professor X, Gambit, Magneto, Cyclops and Mystique, and see the Fantastic Four meet the Wakandans, plus both teams of Avengers, for the first time.
Key moments include Gambit fighting Shang-Chi, Thor giving an ominous speech, Loki brooding while looking at his TVA lanyard and Steve Rogers taking Mjolnir from Thor.
You can watch the trailer right here now.
Want to see this content?
This page contains content provided by YouTube. We ask for your permission before anything is loaded, as YouTube may use cookies and other technologies. To view this content, choose 'Accept and continue' to allow YouTube and its required purposes.
Accept and continue
The newly-released, official synopsis for Avengers: Doomsday says: "Universes collide and the Multiverse Saga begins its final chapter in Marvel Studios's Avengers: Doomsday. Beloved heroes from three distinct universes will be set on a deadly collision course and ultimately face an existential threat unlike anything they've ever encountered."
The cast of the film includes Downey Jr, Chris Evans, Pedro Pascal, Vanessa Kirby, Joseph Quinn, Ebon Moss-Bachrach, Anthony Mackie, Chris Hemsworth, Letitia Wright, Winston Duke, Paul Rudd, Simu Liu, Danny Ramirez, Florence Pugh, Sebastian Stan, Wyatt Russell, Hannah John-Kamen, David Harbour, Lewis Pullman, Patrick Stewart, Ian McKellen, James Marsden, Rebecca Romijn, Alan Cumming, Kelsey Grammer, Channing Tatum, Tenoch Huerta Mejia and Tom Hiddleston.
Want to see this content?
This page contains content provided by Twitter. We ask for your permission before anything is loaded, as Twitter may use cookies and other technologies. To view this content, choose 'Accept and continue' to allow Twitter and its required purposes.
Accept and continue
Ramirez, Cumming and Grammer do not appear in the trailer, while Pullman may just be visible at the side of the screen during a team meet-up (although that is uncertain).
Want to see this content?
This page contains content provided by Google reCAPTCHA. We ask for your permission before anything is loaded, as Google reCAPTCHA may use cookies and other technologies. To view this content, choose 'Accept and continue' to allow Google reCAPTCHA and its required purposes.
Accept and continue
More details and teasers for Avengers: Doomsday are expected to come during Marvel's panel at San Diego Comic-Con on Saturday 25 July at 5:30pm PT (1:30am BST on Sunday 26). This trailer has released to align with tickets for the film being made available to order early in the US.
Avengers: Doomsday will be released in cinemas on 18 December 2026.
Marvel Cinematic Universe films and streaming shows are available on Disney+. You can sign up to Disney+ from £5.99 a month now.
Add Avengers: Doomsday to your watchlist on the Radio Times: What to Watch app – download now for daily TV recommendations, features and more.
Ad
Check out more of our Sci-fi coverage or visit our TV Guide and Streaming Guide to find out what's on. For more TV recommendations and reviews, listen to The Radio Times Podcast.
Authors
James HibbsDrama Writer
James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.
Ad
Ad
Get the Christmas double issue
Too much to watch at Christmas? Let Radio Times do the choosing to find something the whole family will enjoy.
Loading...
Ad
Loading...