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

First 'Avengers: Doomsday' Trailer Expected in December

Avengers: Doomsday is set to release in theaters in December 2026, but fans might get a first look much sooner. The initial footage is planned to debut alongside Disney's upcoming blockbuster, Avatar: Fire and Ash, this December.

Trailer Preview Details

Multiple sources have informed Collider that the trailer will be attached to Avatar: Fire and Ash, scheduled to premiere on December 19, 2025. This timing aligns with the one-year gap before Avengers: Doomsday hits theaters on December 18, 2026.

Film Context and Connections

The Marvel Cinematic Universe (MCU) is building momentum with recent premieres like Thunderbolts and The Fantastic Four: First Steps. Early casting reveals included surprise returns of characters from the 20th Century Fox X-Men franchise, exciting fans about the upcoming crossover.

Alan Cumming, reprising Nightcrawler, shared, "I began filming before the script was finished," highlighting the secrecy surrounding the project.

Villain Spotlight

Viewers can expect a first look at Robert Downey Jr. portraying a titanium-masked supervillain, a key element of the new team-up film.

Production Secrecy

Details of the crossover remain tightly guarded, even from the actors involved, adding to the anticipation.

Summary: The first 'Avengers: Doomsday' trailer will likely appear in theaters on December 19, 2025, alongside Avatar: Fire and Ash, setting the stage for the film's December 2026 release and exciting MCU fans with a surprise-packed crossover.

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Collider Collider — 2025-11-06