(Warning: This post contains potential spoilers for Marvel’s Avengers: Doomsday.)
A new rumored first trailer description for Marvel’s Avengers: Doomsday has been leaked online. We received information that the trailer for Doomsday is ready and expected to release on any of these dates: December 8, 17, or 18.
On X, insider @Majestic shared Avengers: Doomsday trailer details, stating that it has a duration of 1 minute and 48 seconds. It is described as an “APOCALYPTIC” trailer. Here it is below:
The teaser opens with a voiceover by Victor von Doom, a.k.a. Doctor Doom (Robert Downey Jr.).
Doom speaks about his life of trials and suffering. Victor von Doom is seen in a cemetery in the rain, his face hidden, until the shot is cut by fire, leaving only the silhouette of his suit.

The screen shifts with a powerful blast, and Loki’s (Tom Hiddleston) voice cuts out. Thor (Chris Hemsworth) appears on a vast coastline, Sam Wilson (Anthony Mackie) and Reed Richards (Pedro Pascal) gaze at the sky in fear, and Doctor Strange (Benedict Cumberbatch) runs through a dark room as two universes collide due to the incursions.
Cities are also seen being destroyed on two planets simultaneously. Doom says he will escape the eternal trap where he was imprisoned. Multiple battles featuring Doom himself are shown, followed by another voiceover from him.
A mask falls away, revealing that Doom’s face is badly disfigured, with a large scar and a burnt, mud-like texture. The teaser ends with Steve Rogers (Chris Evans) and Peggy Carter (Hayley Atwell) emerging from a TVA-style portal and looking directly at the camera.
Directed by the Russo brothers from a screenplay by their longtime collaborator Stephen McFeely and Michael Waldron. The film features cinematography by Newton Thomas Sigel (Bohemian Rhapsody, X-Men: Days of Future Past) and production design by Kasra Farahani.
Here’s the plot synopsis for Avengers: Doomsday, revealed by Disney China:
“Doctor Doom has officially arrived on the Marvel Cinematic Universe stage. This villain, a master of cutting-edge science and powerful magic, will unleash a cascading crisis across the multiverse. Marvel’s most iconic actor, Robert Downey Jr., also returns as Doctor Doom!”
Announced Cast for Avengers: Doomsday
- Robert Downey Jr. as Doctor Doom
- Paul Rudd as Ant-Man
- Simu Liu as Shang-Chi
- Tom Hiddleston as Loki
- Florence Pugh as Yelena Belova
- Danny Ramirez as Falcon
- Sebastian Stan as Bucky Barnes
- Winston Duke as M’Baku
- Chris Hemsworth as Thor
- Letitia Wright as Black Panther
- Tenoch Huerta Mejía as Namor
- Anthony Mackie as Captain America
- David Harbour as Red Guardian
- Wyatt Russell as U.S. Agent
- Hannah John-Kamen as Ghost
- Lewis Pullman as Sentry
X-Men cast:
- Ian McKellen as Magneto
- Patrick Stewart as Professor X
- Rebecca Romijn as Mystique
- James Marsden as Cyclops
- Kelsey Grammer as Beast
- Alan Cumming as Nightcrawler
- Channing Tatum as Gambit
Fantastic Four cast:
- Pedro Pascal as Reed Richards (Mr. Fantastic)
- Vanessa Kirby as Sue Storm (Invisible Woman)
- Joseph Quinn as Johnny Storm (Human Torch)
- Ebon Moss-Bachrach as Ben Grimm (The Thing)
Produced by Kevin Feige, Louis D’Esposito, and Russo Brothers will produce through their AGBO banner.
Avengers: Doomsday will be released in theaters and IMAX across the United States on December 18, 2026.
