Iron Man, Thor, Hulk and more of Marvel’s greatest characters begin their lives as Avengers in a new episode of “The Avengers: Earth’s Mightiest Heroes” on Wednesday, October 27 at 8:30 p.m., ET/PT on Disney XD. But with a wild card like the Hulk on the team, and a little prodding from the villainous Enchantress, will the team be smashed by one of their own before they embark on their first mission?