The Avengers: Earth's Mightiest Heroes
The Avengers: Earth's Mightiest Heroes
Hail, Hydra! (1x21)
Air date: May 22, 2011
The Black Widow requests the Avengers' help in retrieving the Cosmic Cube before AIM and HYDRA tear the world apart fighting over it.
- Premiered: Oct 2010
- Episodes: 52
- Followers: 509
- Ended
- Disney XD
- Sunday at 10
