X-Men ’97 season 2 premieres in 3 weeks. Here’s everything you need to remember.

The X-Men are returning to the big screen on Dec. 18 as part of Avengers: Doomsday, with Cyclops (James Marsden), Professor Charles Xavier (Patrick Stewart), and Magneto (Ian McKellen) joining all the biggest stars of the Marvel Cinematic Universe in the fight against Doctor Doom. But you don’t need to wait six more months to see those characters using their mutant powers to fight an apocalyptic threat, because a new X-Men adventure is kicking off in just three weeks.