Avengers: Doomsday is under post-production now and will release in theatres by the end of 2026. Robert Downey Jr's villain character and the first look of the film were unveiled at the Disney Expo.

Robert Downey Jr. in Avengers: Doomsday
Last Updated: 06.12 PM, Sep 22, 2025
Russo Brothers have officially called it a day on the set of Avengers: Doomsday, cooking up multiple surprises for the Marvel fans. One detail recently unveiled at the Disney Expo in Shanghai is that Robert Downey Jr. will be seen as the main antagonist, Doctor Doom, for the first time in his career. After his iconic Marvel character Iron-Man created history, it's going to be a mind-blowing experience to watch him as the villain this time. Avengers: Doomsday is under post-production now and will make a grand theatrical release by the end of 2026.
The upcoming Marvel movie will release in cinemas on December 18, 2026, just a few days before Christmas. Avengers: Doomsday is intended to be the 5th installment in the Avengers film franchise, and the 39th movie in the Marvel Cinematic Universe (MCU). The movie has an ensemble cast with some renowned actors reprising their iconic superhero roles.
While Robert Downey Jr. is to be seen as Doctor Doom, other actors like Chris Hemsworth, Paul Rudd, Tom Hiddleston, and Pedro Pascal will reprise their roles.
Chris Hemsworth – as Thor
Paul Rudd – as Ant-Man
Tom Hiddleston – as Loki
Pedro Pascal – as Mister Fantastic
Simu Liu – as Xu Shang-Chi
Vanessa Kirby – as Invisible Woman
Letitia Wright – as Black Panther
Florance Pugh – as Yelena Belova
Channing Tatum – as Gambit
Anthony Mackie – Captain America
Jeremy Renner – as Hawkeye
Benedict Cumberbatch – as Doctor Strange
Tom Holland – as Spider-Man
Chris Evans – as Human Torch
Ryan Reynolds – as Deadpool
Marvel promises to shape up Avengers: Doomsday to be a total game-changer, involving some crazy multiverse mix-ups and hints at something called Battleworld. However, fans must know that this is all just a warm-up before the next film, Avengers: Secret Wars. This superhero flick is the last stop before the grand finale of this whole phase of the Marvel Cinematic Universe.
Avengers: Doomsday is likely to feature multiversal incursions that cause different realities, which can possibly force all the superheroes and the villains to be displaced. The flick is expected to be Marvel's biggest movie ever made which consists of a large cast and multiversal conflict.
Q. When will Avengers: Doomsday release?
A. Avengers: Doomsday is scheduled to release on December 18, 2026, as of now.
Q. Robert Downey Jr. plays what in Avengers: Doomsday?
A. Robert Downey Jr., who is known for his role as the superhero Iron Man, will be making his villainous debut as Doctor Doom in Avengers: Doomsday in 2026.