We Know When the First 'Avengers: Doomsday' Trailer Will Arrive [Exclusive]

First 'Avengers: Doomsday' Trailer to Debut in December

The first footage of Avengers: Doomsday is expected to premiere in theaters this December, accompanying another major Disney release. Although the movie itself won't hit theaters until December 18, 2026, fans might get an early glimpse this holiday season.

Exclusive Details on the Trailer Release

Collider has confirmed through multiple sources that the teaser for Marvel's next epic team-up will be attached to Avatar: Fire and Ash, the latest installment in Disney’s blockbuster franchise. If plans remain unchanged, the teaser should appear by December 19, nearly a year before Doomsday debuts. This timing aligns well with James Cameron's third Pandora adventure coming out just days earlier.

Setting the Stage for Doomsday

This year’s premieres of Thunderbolts and The Fantastic Four: First Steps help build momentum for the upcoming crossover event. Marvel reignited excitement when announcing chairs for the Doomsday cast that revealed the inclusion of many familiar faces from the former 20th Century Fox X-Men franchise.

Secrecy Surrounding the Film

Despite the buzz, Marvel continues to keep plot details under wraps, even from the actors involved. Alan Cumming, returning as Nightcrawler, disclosed that filming started before the script was fully completed.

"I began filming before the script was finished."
— Alan Cumming

Author's Summary

The first Avengers: Doomsday footage will likely debut in December 2025 alongside Avatar: Fire and Ash, setting the stage for the MCU's major 2026 event with many familiar heroes returning.

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Collider Collider — 2025-11-06

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