Avengers: Doomsday doesn't hit theaters until December, but directors Joe and Anthony Russo are already under immense pressure to get next year's Avengers: Secret Wars off the starting block. We're prepping Secret Wars. When asked if he wanted to reveal exactly when cameras roll on Secret Wars, Russo said: "Soon. Avengers: Doomsday and Avengers: Secret Wars were hit with significant delays last year, with Doomsday now set to arrive in theaters on December 18, 2026, and Secret Wars positioned for December 17, 2027. "Universes collide and the Multiverse Saga begins its final chapter in Marvel Studios’ Avengers: Doomsday.