What If...? has concluded its three-season run just in time to bring 2024 to a close. Debuting in 2021 on Disney+, What If...? was the Marvel Cinematic Universe's deep dive into the vast realities that The Multiverse Saga opened up. Narrated by The Watcher (Jeffrey Wright), audiences have seen many of their favorite heroes and villains reimagined. For 26 episodes, fans got a glimpse into realities different from the MCU sacred timeline, including stories that drew from iconic storylines like Marvel Zombies and 1602.