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

First 'Avengers: Doomsday' Trailer to Debut This December

Avengers: Doomsday is expected to reveal its first footage in theaters this December, alongside another major Disney release. Although the film won't premiere until December 2026, fans may get an early glimpse much sooner.

Trailer Attached to 'Avatar: Fire and Ash'

Multiple sources told Collider that the initial footage from the MCU's next big team-up will be shown with the latest installment of Disney's Avatar franchise, Avatar: Fire and Ash. If plans remain unchanged, audiences can expect the first look as early as December 19, 2025.

This timing aligns with James Cameron’s third journey to Pandora, which releases almost exactly one year before Doomsday hits theaters on December 18, 2026.

Setting the Stage for 'Doomsday'

Alan Cumming, who will reprise Nightcrawler, shared he started filming before the script was completed.

Author’s Summary

The first teaser for Avengers: Doomsday is set to launch with Avatar: Fire and Ash in December 2025, building anticipation for the MCU event arriving a year later.

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Collider Collider — 2025-11-06