As if you needed another reason to watch Avatar: Fire and Ash, the Avengers: Doomsday trailer will reportedly play in front of James Cameron's threequel

Avengers: Doomsday Trailer to Premiere with Avatar: Fire and Ash

The first preview of Avengers: Doomsday will be released unusually early. According to Collider, the trailer will screen before Avatar: Fire and Ash, James Cameron's third film set on Pandora, arriving in theaters on December 19.

This means audiences will get their first look at Avengers: Doomsday on December 19, 2025, almost exactly one year prior to the movie's official release date of December 18, 2026.

Comparison to Previous Avengers Releases

This extended 12-month promotional lead could signal Marvel Studios' high confidence in Doomsday. It will also likely spark widespread speculation about the film, which has largely remained a mystery until now.

Cast and Expectations

Robert Downey Jr. is confirmed to return, alongside the casts of Fantastic Four and Thunderbolts. Additionally, several MCU heroes and legacy X-Men characters will appear.

The full cast was unveiled in March during a six-hour livestream event.

Avengers: Doomsday could be the biggest film of the decade,” said Channing Tatum, who plays Gambit, further fueling fan excitement about this Marvel crossover.

Summary

This early trailer debut and star-studded cast hint at a major Marvel event that promises to be one of the year's most anticipated films.

Author’s Note

The trailer’s early release and high-profile cast signal Marvel’s strong confidence in Avengers: Doomsday as a defining blockbuster for the coming decade.

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GamesRadar+ GamesRadar+ — 2025-11-07