Avengers: Doomsday Guide: Cast, Release Date and Every Update

Avengers: Doomsday opens in US cinemas on 18 December 2026, with Robert Downey Jr. back in the MCU as Doctor Doom. This is the PracandyFlix guide to the film: the confirmed facts in one place, and links to every Doomsday story we have published, from trailers to box office.

Avengers: Doomsday at a glance

	Details
Release date	18 December 2026 (US)
Directors	Anthony and Joe Russo
Writers	Michael Waldron, Stephen McFeely, Chris McKenna, Erik Sommers
Villain	Robert Downey Jr. as Victor von Doom / Doctor Doom
Reported runtime	About 165 minutes
Filming	28 April to 19 September 2025, Pinewood Studios, England
Next film	Avengers: Secret Wars, 17 December 2027

Avengers: Doomsday cast

Doomsday brings together the Avengers, the Fantastic Four and the X-Men. The main confirmed cast, per the film's Wikipedia entry:

• Robert Downey Jr. as Doctor Doom
• Chris Evans as Steve Rogers
• Chris Hemsworth as Thor
• Anthony Mackie as Sam Wilson / Captain America
• Paul Rudd as Scott Lang / Ant-Man
• Florence Pugh as Yelena Belova
• Pedro Pascal as Reed Richards / Mister Fantastic
• Vanessa Kirby as Sue Storm / Invisible Woman
• Ebon Moss-Bachrach as Ben Grimm / The Thing
• Patrick Stewart as Professor X
• Ian McKellen as Magneto
• James Marsden as Cyclops

The Russos have described Doom as one of the most complex characters in comics, and have said the story needed both Downey and Evans. For what is confirmed and what is still rumour, read Avengers: Doomsday, everything confirmed.

Avengers: Doomsday release date

The film is dated for 18 December 2026 in the US, with some international markets opening a couple of days earlier. It was filmed at Pinewood Studios in England from April to September 2025, with location work in Bahrain and Windsor Great Park. Avengers: Secret Wars follows a year later, on 17 December 2027.

The road to Doomsday: Endgame Encore

Before Doomsday arrives, Marvel is sending Avengers: Endgame back to cinemas on 25 September 2026 as Avengers: Endgame Encore, with new footage and an exclusive look at Doomsday in IMAX and Infinity Vision. See Endgame Encore release date, runtime and tickets and what the new footage adds.

Every Avengers: Doomsday story on PracandyFlix

Trailers and first looks

• The D23 Doomsday special look: what it shows, and what it withholds
• Avengers: Doomsday trailer breakdown

Cast, characters and story

• Doctor Doom's role in Avengers: Doomsday
• What the X-Men reveal means
• Is Doomsday the final chapter?
• The Doomsday plot leak: real or not?

Release, tickets and box office

• $50M pre-sales and the Endgame Encore strategy
• The biggest LEGO reveal yet
• Where to watch the official Countdown to Avengers: Doomsday podcast

We add every new Doomsday story here as it is published. Follow Marvel's official movie page for announcements as they happen.