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

Avengers: Doomsday First Trailer Release Date Revealed

The first footage from Avengers: Doomsday is expected to debut in theaters this December, accompanying another major Disney release. Although the film itself will premiere in December 2026, fans won't have to wait long for an early glimpse.

Trailer Attached to Avatar: Fire and Ash

Collider has confirmed from multiple sources that the initial teaser for the MCU's next big team-up will be shown before Avatar: Fire and Ash, the latest installment in Disney's blockbuster series. This trailer is scheduled to appear on December 19, nearly a year before Doomsday's release on December 18, 2026.

Marvel's Upcoming Releases Set the Stage

With Thunderbolts and The Fantastic Four: First Steps coming this year, the excitement builds for Doomsday. Earlier this year, Marvel surprised fans by revealing the cast chairs for the event, hinting at the return of several X-Men characters originally from 20th Century Fox.

Secrecy Surrounds Plot Details

The project remains highly secretive, even among the cast. Alan Cumming, reprising his role as Nightcrawler, shared that filming began before the script was completed, maintaining the mystery around the crossover's storyline.

"Alan Cumming, who's set to reprise his role as Nightcrawler, revealed he began filming before the script was finished."

Release Timing and Significance

The December 19 teaser timing aligns with James Cameron's third Pandora adventure, which premieres almost exactly one year ahead of Doomsday. Additionally, the teaser will offer fans an early look at Robert Downey Jr.'s titanium-masked supervillain.

Author's summary: The first trailer for Avengers: Doomsday will premiere in theaters on December 19 alongside Avatar: Fire and Ash, marking the start of Marvel's highly anticipated crossover event.

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Collider Collider — 2025-11-06

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