Hail Hydra! (S01E21)
S01E21
When the Cosmic Cube becomes the focal point of a fierce conflict between Hydra and AIM, Black Widow seeks the aid of the Avengers. With both factions vying for dominance, she knows that only the combined strength of her allies can prevent the cube from falling into the wrong hands. The team must strategize and unite to thwart their enemies' plans and safeguard the powerful artifact before it's too late.
Show
The Avengers: Earth's Mightiest Heroes
Episode
S01E21
Air Date
May 22, 2011
Season 1 Episodes
S01E01
Breakout (1)
S01E02
Breakout (2)
S01E03
Iron Man Is Born
S01E04
Thor the Mighty
S01E05
Hulk Versus the World
S01E06
Meet Captain America
S01E07
The Man in the Ant Hill
S01E08
Some Assembly Required
S01E09
Living Legend
S01E10
Everything Is Wonderful
S01E11
Panther's Quest
S01E12
Gamma World (1)
S01E13
Gamma World (2)
S01E14
Masters of Evil
S01E15
459
S01E16
Widow's Sting
S01E17
The Man Who Stole Tomorrow
S01E18
Come the Conqueror
S01E19
The Kang Dynasty
S01E20
The Casket of Ancient Winters
S01E21
Hail Hydra!
S01E22
Ultron-5
S01E23
The Ultron Imperative
S01E24
This Hostage Earth
S01E25
The Fall of Asgard
S01E26
A Day Unlike Any Other