The Avengers: Earth’s Mightiest Heroes Season 2 Episode 15
The Enchantress offers Loki a chance to exact his revenge on Thor and the Avengers for thwarting his conquest of the Nine Realms, and uses a spell to strip Thor, Captain America, and Iron Man of their powers. Now, the helpless heroes must defeat Loki – his soul now in command of a powerful Asgardian weapon known as the Destroyer – without their abilities.
Episode Title: Powerless
Air Date: 2012-08-05