Avengers Doomsday (Photo Credit – Instagram/YouTube) Marvel Studios is going bigger than ever with Avengers: Doomsday. The upcoming superhero epic is bringing together characters from multiple Marvel universes, creating crossover moments fans have long dreamed of. From the Fox X-Men finally meeting the Avengers to the possible return of iconic Spider-Men, the movie is shaping up to be one of Marvel’s biggest cinematic events ever. Here are the biggest multiverse crossovers expected in the film. 🚨 Marvel Studios just confirmed Avengers vs. X-Men fights in Avengers: Doomsday!The CinemaCon 2026 trailer (not released publicly) showed three major new fight sequences between the teams — the first time this has ever happened in an MCU movie.The matchups include: Shang-Chi… pic.twitter.com/kz1BiX528K — Legendary Fragments (@Legend_Fragment) May 9, 2026 Fox’s X-Men Finally Battle MCU Avengers In Avengers: Doomsday One of the biggest moments expected in the film is the collision between the Fox X-Men universe and the Marvel Cinematic Universe. Actors like Patrick Stewart, Ian McKellen, James Marsden, and Rebecca Romijn are returning alongside MCU heroes, including Captain America, …