She-Hulk

Crusading lawyer Jennifer Walters is Bruce Banner's cousin, and needed an emergency transfusion of his blood after being shot. Along with Banner's blood, Jennifer received his ability to transform into a green-skinned juggernaut, and the She-Hulk was born.

Earth's Mightiest
She-Hulk was defeated by Luke Cage in the opening round.

Goin' Green
She-Hulk and Shuma-Gorath tied in the opening round, eliminating them both.