Marvel Officially Announces Which MCU Heroes Will Be Appearing in ‘Avengers: Doomsday’ To Go Up Against Robert Downey Jr.

Fans are finally learning, officially, who will be joining Robert Downey Jr. in the highly anticipated Avengers: Doomsday, which releases in 2026. The casting announcement coming in a cryptic livestream to Marvel Studios social media that had fans seated, no really. Slowly but surely, cast chairs are revealed, including Chris Hemsworth (Thor: Love & Thunder) and Vanessa Kirby (Fantastic Four: First Steps), Anthony Mackie (Captain America: Brave New World), and Sebastian Stan (The Falcon and the Winter Soldier).