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Avengers: Doomsday Teaser Sets Dec. 19 Theatrical Debut as Tobey Maguire Return Is Reported

The early big-screen rollout positions Marvel for a longer campaign ahead of the 2026 release.

Overview

  • Collider reports the first Avengers: Doomsday teaser will play in theaters on December 19 ahead of Avatar: Fire and Ash, marking an unusually long lead-up to release.
  • Marvel has confirmed a large ensemble led by Robert Downey Jr. as Doctor Doom, with returning MCU stars and new additions from The Fantastic Four cast.
  • Multiple outlets cite scooper Daniel Richtman in reporting that Tobey Maguire appears as Spider-Man and filmed in a motion-capture or CGI suit, which has not been confirmed by Marvel.
  • Sites note a wave of alleged costume images circulating on social media and broadly assess them as AI-generated fakes rather than authentic first looks.
  • A rumored teaser description circulating online emphasizes a Doom-centric focus and multiverse-scale stakes, but its authenticity remains unverified.