Copycat

Copycat (Vanessa Geraldine Carlysle) is a deceased fictional character, a mutant in the Marvel Comics universe, and a former member of X-Force. Under the orders of Tolliver, Copycat infiltrated X-Force in the shape of Domino, while she was prisoner. Her mission was to blow up X-Force's headquarters in order to kill Cable. But she became attached to the team members and failed her mission. Tolliver sent Deadpool to force her to set the bomb. Deadpool would be put in her place, if she refused. Deadpool blew Copycat's cover to X-Force and left them for dead after blowing up the complex without knowing that X-Force had already escaped. Vanessa briefly hid herself under the false identity of a twin of one of her friends, Tina Valentino. Deadpool and his associate Sluggo finished by meeting with her, but they killed Tina instead, thinking they had killed her. She moved in with Garrison Kane in San Francisco, until Cable found them. They were all transported to the microverse where they... full article at wikipedia