Originally a spy sent from North Korea to Japan, she quickly became disillusioned with Ho Chi Minh (the Communist rule of her homeland) and defected to join Mr. Negative‘s operations
Under Mr. Negative’s orders, Dr. Tramma transplanted a new robotic adamantium skeleton Hammerhead‘s upper body. She is also responsible for restoring Black Cat‘s “bad luck” powers, creating the new Rhino and the Extremist.