The first trailer for Avengers: Doomsday is set to premiere soon. The Marvel Cinematic Universe began Phase 6 this summer with The Fantastic Four: First Steps, and the current phase will conclude by 2027 with two Avengers films.
Collider has confirmed that the Avengers: Doomsday trailer will debut before the release of Avatar: Fire and Ash on December 19, 2025.
Principal photography for this Phase 6 installment wrapped on September 19, 2025. Anthony and Joe Russo directed the film, which features a major team-up.
"The Avengers: Doomsday cast was first revealed during a surprise live-stream from Marvel Studios, where they had several chairs unveil multiple actors coming back."
This reunion of mutants marks a significant milestone, reconnecting characters from the Fox-Marvel era.
The Avengers: Doomsday trailer premieres December 19, featuring Robert Downey Jr. as Doom and reuniting iconic X-Men actors in a major Phase 6 MCU event.
Author's summary: The Avengers: Doomsday trailer will debut soon, highlighting Robert Downey Jr.’s return as Doom and the reunion of key X-Men actors in Marvel’s Phase 6.