Avengers: Doomsday Guide: Confirmed Cast and Release Dates

Avengers: Doomsday brings together heroes from three universes and stars Robert Downey Jr. as Victor von Doom. Anthony and Joe Russo direct. Disney lists December 18, 2026 for the U.S. release; other countries have different dates.

Doctor Doom wearing his mask and hood in the official Avengers: Doomsday trailer
Doctor Doom in the official Avengers: Doomsday trailer. © Marvel Studios. Official source.

This guide collects the announced cast, identified release dates, and useful background reading. It does not present leaks or imagined events from an unreleased movie as facts.

Editorial review: October 27, 2026. A pre-release cast list can expand. A name missing from the sources cited here should not be described as proof that the performer is absent from the film.

When does Avengers: Doomsday come out?

MarketPublished dateSource and qualification
United StatesDecember 18, 2026Disney Movies’ official page
United KingdomDecember 16, 2026Disney UK’s July trailer announcement
SpainDecember 18, 2026Disney Spain’s D23 trailer announcement
MexicoDecember 17, 2026Disney+ Mexico’s October 9 article
ColombiaConsulted listings show December 16, 2026CineHoy listings; distributor corroboration is still needed before treating this as definitive

December 16 should not be described as a worldwide release date. Preview screenings can also differ from a market’s general opening. Check the date of your local screening before booking.

Mexico has conflicting listings: Cinemex shows December 16, while Disney+ Mexico states December 17. We retain the distributor’s published date and identify the discrepancy rather than treating the dates as interchangeable.

The announced cast and associated characters

The following groups combine names in the official pages and announcements consulted. Associated identities help readers recognize the performers’ roles; an actor’s name alone does not establish the exact variant, screen time, allegiance, or outcome.

Doctor Doom, Steve Rogers, and Peggy Carter

  • Robert Downey Jr.: Victor von Doom / Doctor Doom, explicitly identified in the official announcement.
  • Chris Evans: Steve Rogers, identified at D23.
  • Hayley Atwell: Peggy Carter, included and identified in Disney Spain’s D23 announcement.

The initial 2025 announcement should not be labeled the final 2026 cast. Later communications add names. See why Downey is playing Doom after Iron Man for the distinction between casting and theories about Tony Stark.

Avengers and other MCU heroes

  • Chris Hemsworth: Thor.
  • Anthony Mackie: Sam Wilson / Captain America.
  • Paul Rudd: Scott Lang / Ant-Man.
  • Simu Liu: Shang-Chi.
  • Danny Ramirez: Joaquín Torres / Falcon.
  • Tom Hiddleston: Loki.
  • Kathryn Newton: Cassie Lang.

The Fantastic Four

  • Pedro Pascal: Reed Richards / Mister Fantastic.
  • Vanessa Kirby: Sue Storm / Invisible Woman.
  • Joseph Quinn: Johnny Storm / Human Torch.
  • Ebon Moss-Bachrach: Ben Grimm / the Thing.

These are the First Steps performers. Marvel has confirmed their return and discussed their interaction with other groups. That does not transfer every Fantastic Four comic storyline into the movie.

The Thunderbolts* group

  • Florence Pugh: Yelena Belova.
  • Sebastian Stan: Bucky Barnes.
  • Wyatt Russell: John Walker / U.S. Agent.
  • David Harbour: Alexei Shostakov / Red Guardian.
  • Hannah John-Kamen: Ava Starr / Ghost.
  • Lewis Pullman: Bob Reynolds / Sentry.

This grouping identifies their prior film. It is not a claim about an unchanging team lineup throughout Doomsday.

Performers associated with the X-Men

  • Patrick Stewart: Charles Xavier / Professor X.
  • Ian McKellen: Erik Lehnsherr / Magneto.
  • James Marsden: Scott Summers / Cyclops.
  • Rebecca Romijn: Raven / Mystique.
  • Alan Cumming: Kurt Wagner / Nightcrawler.
  • Kelsey Grammer: Hank McCoy / Beast.
  • Channing Tatum: Remy LeBeau / Gambit.

Returning actors do not automatically resolve the Fox timeline’s inconsistencies. We do not assign every prior version’s memories to them or invent future biographies from that assumption.

Wakanda and Talokan

  • Letitia Wright: Shuri / Black Panther.
  • Winston Duke: M’Baku.
  • Tenoch Huerta Mejía: Namor.
  • Mabel Cadena: Namora.

Disney Spain’s post-D23 announcement lists 31 performers. That counts a particular published list; it is not a definitive total of the movie’s characters.

What has been confirmed about the story?

Disney’s synopsis describes heroes from three universes on a deadly collision course, facing an existential threat. Doctor Doom is central to the antagonist’s presentation. A leaked synopsis is unnecessary to explain that official premise.

Keep three evidence levels separate:

  1. Confirmed information: announced performers, directors, market-specific dates, and the official premise.
  2. Comic book context: Latveria, Doom’s rivalry with Reed, and Secret Wars explain source material.
  3. Interpretation: predicting an adaptation, a victory, or a change of allegiance requires a clear label.

Battleworld and God Emperor Doom existing in the comics does not establish that the movie reproduces them in a particular form.

What to watch and read before Doomsday

These guides help readers recognize ideas without treating comic panels as confirmed movie storyboards.

Where to find official trailers

Official UK Avengers: Doomsday poster showing Doctor Doom from behind
Official UK poster. The printed release date applies to that market. © Marvel Studios. Official source.

The Disney Movies page collects official previews and promotional material. Disney also hosts the official trailer.

Check the channel and source before sharing a preview. Concept trailers and fan edits can reuse footage from other films; they do not verify new cast members, scenes, or dialogue.

Frequently asked questions

Is this the same movie as Avengers: Secret Wars?

No. They are separate projects. Comic book context can be useful without mixing their titles, schedules, or plot claims.

Is Doctor Doom Tony Stark?

The announced character is Victor von Doom. The same actor playing both does not establish that Victor is Tony or a variant of him.

Can the ending and surprise cameos already be explained?

We do not publish an ending, credits scenes, or surprise appearances as facts before there is a film or verifiable evidence to analyze. A circulating name is not an announcement.

Sources and updates

This guide will be revised when new official announcements become available. Its URL will stay stable so readers can keep using it before and after release.