The second season of the Marvel animated anthology series "What If...?" debuted on December 22, 2023, on Disney+. It has nine episodes that were released daily until December 30, 2023. The season explores alternate timelines in the Marvel Cinematic Universe (MCU), showing what would happen if major moments from the films occurred differently. The Watcher, voiced by Jeffrey Wright, continues to narrate the series, and many MCU film actors reprise their roles. The season features stories about characters like Nebula joining the Nova Corps, Peter Quill attacking Earth's heroes, Happy Hogan saving Christmas, Iron Man facing the Grandmaster, Captain Carter fighting Hydra Stomper, and others. The season is part of Phase Five of the MCU and is followed by a confirmed third season slated for December 2024.