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New ‘Avengers: Doomsday’ Teasers Spotlight X-Men as Newton Photo and Scoops Fuel Unconfirmed Cameo Buzz

A theater-first rollout and the #FearDoom push have prompted speculation, with Marvel declining to confirm the latest casting or fight claims.

Overview

  • Marvel is rolling out rotating, theater-first teasers for the Russo-directed event dated December 18, 2026, with the latest spotlighting legacy X-Men figures.
  • Kathryn Newton was photographed wearing an Avengers: Doomsday crew hat, prompting reports that she may reprise Cassie Lang despite not being in March’s chair reveal.
  • New insider claims describe unconfirmed showdown fights, including Tobey Maguire’s Spider-Man versus Hugh Jackman’s Wolverine and a Deadpool–Mr. Fantastic clash.
  • Additional rumors point to Ms. Marvel appearing and Doctor Doom being paired with a masked female ally, though none of these details have been authenticated by the studio.
  • The Russos amplified a #FearDoom tone with the Thor teaser as The Cosmic Circus’ Alex Perez asserted that released or leaked footage includes digital removals and misdirects.