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

Fire and Doom: Early Avengers: Doomsday Footage

The first trailer for Avengers: Doomsday is set to debut unusually early. According to Collider, the trailer will be shown before screenings of Avatar: Fire and Ash, James Cameron's threequel arriving in theaters on December 19.

This means fans will get a first look at Avengers: Doomsday almost exactly one year before its official release date on December 18, 2026.

Comparison with Previous Avengers Releases

The unusually long 12-month promotional period may reflect Marvel Studios' confidence in the film. It is likely to spark intense speculation surrounding Doomsday, which has remained mostly under wraps.

Cast and Expectations

Robert Downey Jr. will return, joining the casts of Fantastic Four and Thunderbolts, along with several MCU heroes and legacy X-Men characters.

The full cast was announced in March during a six-hour live stream.

Recently, Gambit actor Channing Tatum said Avengers: Doomsday "could be the biggest film of the decade," fueling fan excitement.

About Avatar: Fire and Ash

Cameron's Avatar: Fire and Ash introduces Pandora's Ash People and is scheduled for a December 19 release, setting the stage for the Avengers trailer.

Avengers: Doomsday will likely generate major buzz starting with this early trailer event.

Author's summary: The upcoming early trailer for Avengers: Doomsday will premiere before Avatar: Fire and Ash, marking a rare 12-month lead for Marvel's highly anticipated crossover event.

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GamesRadar+ GamesRadar+ — 2025-11-07

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