Her name is Megan White, but her real name is Big Bertha, she is not an Earthman, nor is she a Amazon, much less is Asgardian.

Big Bertha is a furie, warriors of relentless feline origin, who unlike the Amazons, they do not rule with morality or honor in a battle, they are bloodthirsty and very deadly.

Its origin is of Omega, a planet turned into a battlefield governed by Black Bear a being virtually immortal, the planet is a walking hell, she was raised from very small and learned of very hard form and ruthless the diverse types of combat, She currently resides on Earth under the name of Megan White, a well-paid model, she greatly enjoys her new life.

By the way how she was able to escape from that infernal planet, very simple she was helped by the son of Odín, when they were very young, Thor knew that Big Mega could not stay in Asgard and he decided to take it to Midgard (Earth) to To keep her safe.

Big Mega is almost immortal, she enjoys great strength and speed, her senses are more developed than those of an ordinary person. She is a master in hand-to-hand combat, she trained the current Furies, turning them into killing machines.