The eagerly awaited trailer for Avengers: Doomsday is set to arrive soon. Fans will get their first look ahead of the film’s release, as the Marvel Cinematic Universe (MCU) approaches the conclusion of Phase 6 by 2027 with two Avengers movies.
Avengers: Doomsday trailer will debut in theaters on December 19, specifically before the screening of Avatar: Fire and Ash, according to Collider. This announcement builds excitement for the next big MCU event.
Principal photography for Avengers: Doomsday wrapped on September 19, 2025. The film is directed by Anthony and Joe Russo, known for their major contributions to the MCU.
Robert Downey Jr. returns to the MCU with a unique role, portraying the iconic villain Victor von Doom, also known as Doom. He will also take on the same character in the 2027 release Avengers: Secret Wars, which has yet to begin filming.
The cast was announced during a surprise live-stream event from Marvel Studios, highlighting the return of several beloved actors. Notably, multiple X-Men stars from the Fox-Marvel era are rejoining the franchise:
This reunion marks a significant merging of Marvel properties.
"The Avengers: Doomsday cast was first revealed during a surprise live-stream from Marvel Studios, where several chairs unveiled multiple actors returning."
The return of these actors reveals exciting crossovers and expanded storylines within the MCU.
Summary: The Avengers: Doomsday trailer will premiere December 19, 2025, ahead of Avatar: Fire and Ash, featuring returning MCU stars and a major X-Men cast reunion, directed by the Russo brothers.