Marvel’s Avengers: Doomsday Leaked Trailer Description Revealed (Spoilers Ahead)

Note: This article contains spoilers for Avengers: Doomsday.

The first official trailer for Marvel’s Avengers: Doomsday is reportedly attached to Avatar: Fire and Ash exclusively in theaters.

According to The Hollywood Reporter, Avengers: Doomsday will have four different trailers attached to Avatar: Fire and Ash, with each trailer playing for one week before switching to the next.

It is reported that Avengers: Doomsday trailers have officially been sent out to theaters. Following this, a leak claim surfaced from a Reddit user who says he is an employee at Cinesystem Cinemas in Rio de Janeiro and that he saw the first Avengers: Doomsday trailer, while the other two trailers are still locked with key encryption. (Note: This claim has not been confirmed.) He also leaked a description of the first trailer.

The trailer is 1 minute and 47 seconds long. It opens with shots of different galaxies, with Reed Richards’ voice talking about Franklin and his powers. Next, there is a cinematic shot of what appears to be the X-Mansion on fire, with Marvel-style medical music playing in the background.

Pedro Pascal appears to be receiving a signal from Loki in the Baxter Building for about 40 seconds. We then see what appears to be Doctor Doom in his metal armor, exactly as imagined, complete with the mask, though he does not speak. He is shown looking at the flag of Latveria, followed by the first shot of him inside Castle Doom.

The TVA is shown completely destroyed for a few seconds. One of the most shocking moments occurs when Doctor Doom grabs Magneto and uses his telekinetic powers for the first time we see, slamming him to the ground as intense fighting unfolds in the background. We also see a quick shot of Sentinels.

Doom teleports using the same orange outline seen with the TVA, and we see him entering the Fantastic Four’s world with an army of Sentinels as the city is being rebuilt. The trailer then cuts to black, revealing the Avengers: Doomsday logo, before cutting back to a quick shot of Pedro Pascal using his stretching powers while fighting Bucky.

The trailer has an Age of Ultron feel, but with a more medieval and intense tone.

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).

Here’s the plot synopsis for Avengers: Doomsday:

“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!”

Confirmed Cast for Avengers: Doomsday

Main MCU Heroes:

• Robert Downey Jr. – Doctor Doom
• Paul Rudd – Ant-Man
• Simu Liu – Shang-Chi
• Tom Hiddleston – Loki
• Florence Pugh – Yelena Belova
• Danny Ramirez – Falcon
• Sebastian Stan – Bucky Barnes
• Winston Duke – M’Baku
• Chris Hemsworth – Thor
• Letitia Wright – Black Panther
• Tenoch Huerta Mejía – Namor
• Anthony Mackie – Captain America
• David Harbour – Red Guardian
• Wyatt Russell – U.S. Agent
• Hannah John-Kamen – Ghost

X-Men Universe:

• Ian McKellen – Magneto
• Patrick Stewart – Professor X
• Rebecca Romijn – Mystique
• James Marsden – Cyclops
• Kelsey Grammer – Beast
• Alan Cumming – Nightcrawler
• Channing Tatum – Gambit

Fantastic Four Universe:

• Pedro Pascal – Reed Richards (Mr. Fantastic)
• Vanessa Kirby – Sue Storm (Invisible Woman)
• Joseph Quinn – Johnny Storm (Human Torch)
• Ebon Moss-Bachrach – Ben Grimm (The Thing)
• Lewis Pullman – Sentry

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, and Avengers: Secret Wars is scheduled for release on December 17, 2027.