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

First Look at Avengers: Doomsday Debuts with Avatar: Fire and Ash

The initial footage from Avengers: Doomsday will be unveiled unusually early. According to Collider, the trailer will be shown before screenings of James Cameron's Avatar: Fire and Ash, the third film in the Avatar series introducing Pandora's Ash People.

Avatar: Fire and Ash is scheduled for release on December 19, 2025, placing the first glimpse of Avengers: Doomsday almost exactly one year ahead of its own premiere on December 18, 2026.

Comparing Marvel’s Trailer Release Strategy

In comparison, the Avengers: Infinity War trailer appeared around six months before its release, while the Avengers: Endgame preview arrived five months prior, offering mostly a limited look at the film's initial half-hour. A 12-month marketing buildup may reflect Marvel Studios’ strong confidence in Doomsday.

Speculation and Cast Details

This early trailer launch is expected to spark intense speculation about a film that has largely remained secretive until now. Robert Downey Jr. is confirmed to be involved, alongside the casts of Fantastic Four and Thunderbolts, as well as many MCU heroes and legacy X-Men characters.

The full cast was disclosed in March through a six-hour live stream event.

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

Summary

This unprecedented early trailer release signals Marvel’s high expectations for Avengers: Doomsday, promising a major cinematic event packed with iconic heroes.

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GamesRadar+ GamesRadar+ — 2025-11-07