Marvel’s Avengers: Doomsday is currently filming in Bahrain, as cast members Anthony Mackie, Letitia Wright, Tenoch Huerta Mejía, Danny Ramirez, Simu Liu, Winston Duke, Hannah John-Kamen, Mabel Cadena, and Alex Livinalli were recently spotted dining together at Cipriani Bahrain restaurant. See the image below.

Following this, the next phase of filming is scheduled to take place at Windsor Great Park in the United Kingdom on June 15 and June 18, and then again on June 26–27.
According to SloughObserver.co.uk, Marvel Studios has recently applied for permission through All Time Productions Ltd UK to film Avengers: Doomsday in Windsor Great Park for a period of six months. The set includes a 1960s-themed bungalow called the ‘Luke Cage House’ with a spaceship attached, which is currently under construction.

On X (formerly Twitter), user @UnBoxPHD has shared an image from the set being built at Pinewood Studios for Doomsday. See it below.

Directed by Russo brothers from a screenplay by their longtime collaborator, Stephen McFeely. Newton Thomas Sigel (Bohemian Rhapsody, X-Men: Days of Future Past) will be the cinematographer.
Marvel announced the official cast members of the film: Robert Downey Jr. as Doctor Doom, Paul Rudd as Ant-Man, Liu as Shang-Chi, Tom Hiddleston as Loki, Florence Pugh as Yelena Belova, Ramirez as Falcon, Sebastian Stan as Bucky Barnes, Duke as M’Baku, Chris Hemsworth as Thor, Wright as Black Panther, Huerta Mejía as Namor, Mackie as Captain America, David Harbour as Red Guardian, Wyatt Russell as U.S. Agent, and Hannah John-Kamen as Ghost. 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, and Channing Tatum as Gambit. 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), and Lewis Pullman as Sentry.
Marvel President Kevin Feige revealed at CinemaCon 2025 that Avengers: Doomsday will focus on the Avengers, Wakandans, Fantastic Four, the New Avengers (Thunderbolts), and the original X-Men all uniting to fight Doctor Doom (Downey Jr.).
Here’s the plot details for Avengers: Doomsday:
In Avengers: Doomsday, the MCU begins the beginning of the end. As the multiverse nears total collapse, the Avengers assemble to face their greatest challenge yet—incursions, catastrophic collisions between realities that could destroy the entire multiverse. Earth’s Mightiest Heroes must race against time to save their reality while confronting the powerful figure behind it all—Victor Von Doom (Downey Jr.).
New Updates on Avengers: Doomsday
The Void is reportedly set to play a major role in Avengers: Doomsday (via Daniel Richtman).
Ryan Gosling is reportedly being eyed for the role of Ghost Rider in Avengers: Doomsday (via @MyTimeToShineHello).
According to Alex Perez’s May Q&A report (via The Cosmic Circus), Sam Wilson’s team in Avengers: Doomsday includes Joaquin Torres, Captain Marvel, Bruce Banner, Wong, and Shang-Chi — with She-Hulk possibly being recruited as well.
Produced by Feige, Louis D’Esposito, and Russo Brothers will produce through their AGBO banner.
Avengers: Doomsday will hit theaters on December 18, 2026, and Avengers: Secret Wars has also been delayed to December 17, 2027.