Avengers : Season 1, Episode 14: "Masters of Evil"

"Masters of Evil" - Zemo! Enchantress! Executioner! Abomination! Wonder Man! Crimson Dynamo! Individually they are the most powerful super villains on the planet. Together, they are unstoppable. Avengers Mansion is laid siege and one by one, the Avengers fall. And with the most powerful of them defeated, what hope do Black Panther and Hawkeye have?