Earth's Mightiest Heroes are quite busy saving the day from battling crooks and robbers to evil alien invaders and super villains, with both old favorites (such as Captain America and Iron Man) as well as new Avengers (Falcon and Vision).
When Clint Barton, aka Hawkeye, wants to join the team at the same time that the new Masters of Evil become active, the Avengers find it difficult to trust him.
