Disney Unveils First Details on Avengers: Doomsday, Including New Cast Member

The highly anticipated Phase 6 Avengers film is set to bring together heroes from across the Marvel Multiverse.

Apr. 17, 2026 at 11:19am

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An extreme close-up of shattered glass and glittering shards, captured in dramatic high-contrast studio lighting to create a conceptual, abstract representation of the collision of heroes from different Marvel universes in the upcoming film Avengers: Doomsday.The shattering of boundaries between Marvel's cinematic universes sets the stage for an epic showdown in Avengers: Doomsday.Las Vegas Today

Disney has released the first official plot details and cast list for the upcoming Avengers: Doomsday film, set to hit theaters in December 2026. The movie will feature beloved heroes from three distinct Marvel universes facing an existential threat, with the return of stars like Robert Downey Jr., Chris Evans, and Chris Hemsworth confirmed. Disney also announced the addition of a new cast member, Wesley Holloway, whose role in the film remains a mystery for now, though speculation points to him potentially playing the son of Captain America and Peggy Carter.

Why it matters

Avengers: Doomsday is one of the most highly anticipated films in the Marvel Cinematic Universe, as it will mark a major crossover event bringing together heroes from multiple universes. The reveal of new plot details and a fresh cast member adds to the excitement and anticipation for how this Phase 6 installment will continue to expand the scope and stakes of the MCU's Multiverse Saga.

The details

According to the official plot synopsis, in Avengers: Doomsday, "beloved heroes from three distinct universes will be set on a deadly collision course and face an existential threat unlike anything they've ever encountered." The cast list confirms the return of several major MCU stars, including Robert Downey Jr., Chris Evans, Chris Hemsworth, Anthony Mackie, and many others. Disney also announced the addition of a new cast member, Wesley Holloway, whose specific role in the film has not yet been disclosed. However, there is speculation that Holloway could be playing an older version of the son of Captain America and Peggy Carter, based on previous teasers about the couple having a child after the events of Avengers: Endgame.

  • Avengers: Doomsday is set to hit theaters on December 18, 2026.
  • Disney unveiled the first details about the film at CinemaCon 2026 in Las Vegas.

The players

Avengers: Doomsday

The upcoming Phase 6 installment of the Marvel Cinematic Universe, set to bring together heroes from across the Multiverse.

Disney

The entertainment conglomerate that owns the Marvel Studios and the Marvel Cinematic Universe.

Wesley Holloway

A young actor who has been cast in a yet-to-be-revealed role in Avengers: Doomsday.

Robert Downey Jr.

An acclaimed actor who is set to reprise his role as Iron Man in Avengers: Doomsday.

Chris Evans

An acclaimed actor who is set to reprise his role as Captain America in Avengers: Doomsday.

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What’s next

Avengers: Doomsday is currently in production, with Marvel Studios focusing on finishing the remaining work on the film. Principal photography on the next Avengers installment, Avengers: Secret Wars, is set to begin this summer.

The takeaway

The reveal of new details about Avengers: Doomsday, including the addition of a fresh cast member, has heightened anticipation for how this Phase 6 crossover event will continue to expand the scope and stakes of the Marvel Cinematic Universe's Multiverse Saga.