Marvel’s ‘Avengers: Doomsday’ Teaser Trailer Reportedly Listed by Media Board With a 1-Minute 25-Second Runtime

It’s almost time for Doctor Doom’s arrival in the MCU. The first trailer for Marvel’s Avengers: Doomsday is reportedly ready and has been listed on Korea’s Media Rating Board.

According to Korea’s Media Rating Board (KMDB/KMRB), the government body that reviews and rates all movie-related content, the Avengers: Doomsday teaser trailer has been submitted for approval by Walt Disney Company Korea Limited and is rated “All Ages.”

Here are the official details for the Avengers: Doomsday trailer listing:

Title:
Avengers: Doomsday

Distributor in Korea:
Walt Disney Company Korea Limited

Representative:
Kim So-yeon

Rating:
All ages — The trailer is approved for all audiences.

Classification Number:
2025-MP05962 — This is the official rating code.

Running Time:
1 minute 25 seconds — Confirms the teaser trailer length.

Supervision (Directors listed):
Joe Russo, Anthony Russo — Likely because they are credited for overarching franchise supervision or archival footage in the teaser.

Starring:
Robert Downey Jr., Pedro Pascal — These actors appear (visually or by narration) in the teaser.

Production Company:
Marvel Studios

Production Year:
2025 — Trailer produced in 2025.

When is the Avengers: Doomsday trailer expected to release?

Recently, insider Daniel Richtman revealed that Disney/Marvel is planning to release the Avengers: Doomsday trailer on December 11, 2025. If not, the teaser will release in theaters with Avatar: Fire and Ash and online.

So, the Doomsday trailer will be the shortest Avengers trailer compared to 2012’s The Avengers, which ran 2:04. After that, Marvel shifted toward longer first looks: 2015’s Avengers: Age of Ultron came in at 2:16, 2018’s Infinity War at 2:24, and 2019’s Endgame at 2:25.

Avengers: Doomsday is 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.

Source: Korea’s Media Rating Board