First Steps" debuts a new crew of Marvel villains. Here's an exclusive sneak peek at Mole Man, Silver Surfer and Galactus.

Doomsday? We’ve got one team led by Sam Wilson/Captain America, and another presumably led by Yelena Belova. But someone’s gotta lead both teams together in their battle against Doctor Doom.

The Avengers will get a new leader as they face off with Robert Downey Jr.'s Doctor Doom in 'Avengers: Doomsday' and 'Avengers: Secret Wars.' ...