Marvel Releases New 'Avengers: Doomsday' Teaser 100 Days Ahead of Premiere

With 100 days remaining until the theatrical release of Avengers: Doomsday, Marvel has unveiled a new teaser trailer for the highly anticipated event film. The movie will bring together the Avengers, the Fantastic Four, and heroes from various universes for a showdown against Doctor Doom, played by Robert Downey Jr.

Everything you need to know about Avengers: Doomsday

The villain of the story in the fifth Avengers movie will be Doctor Doom, played by Robert Downey Jr., the actor who portrayed the legendary Iron Man in the MCU’s Infinity Saga and now takes on the role of antagonist. Avengers: Doomsday will be directed by brothers Anthony and Joe Russo (Endgame), with a script by Michael Waldron (Loki) and Stephen McFreely (Endgame).

Marvel has already confirmed the main cast members of the new movie, in one of the biggest MCU star gatherings ever assembled. From previous Avengers films, returning are: Chris Evans as Steve Rogers, Chris Hemsworth as Thor, Anthony Mackie as Captain America, Sebastian Stan as the Winter Soldier, Paul Rudd as Ant-Man, Winston Duke as M'Baku, and Letitia Wright as Shuri/Black Panther.

Among characters introduced afterAvengers: Endgame — in Phases 4 and 5 of the MCU — we have Simu Liu as Shang-Chi, Danny Ramirez as Falcon, the entire new Fantastic Four (Pedro Pascal as Mister Fantastic, Vanessa Kirby as Invisible Woman, Joseph Quinn as Human Torch, and Ebon Moss-Bachrach as the Thing), almost the entire cast of Thunderbolts* (Florence Pugh as Yelena, Wyatt Russell as U.S. Agent, David Harbour as Red Guardian, Hannah John-Kamen as Ghost, and Lewis Pullman as Bob, the Sentry), and Tenoch Huerta as Namor.

The movie also features the return of the classic X-Men from the old Fox films, including Patrick Stewart as Professor X, Ian McKellen as Magneto, James Marsden as Cyclops, Alan Cumming as Nightcrawler, Kelsey Grammer as Beast, Rebecca Romijn as Mystique and, introduced in Deadpool & Wolverine, Channing Tatum as Gambit.

Avengers: Doomsday opens on December 18, 2026.