Martha Paterson undertook various surgical implants and chemical treatments to become masculine by Dr. Angst, an agent of Norman Osborn. Psychologically unbalanced after the treatments, she began to call himself Sir and began to kill women that she saw as weak. After clashing with Daredevil she wanted to to take his place admiring his power; she managed then to knock him nconscious and to take possession of his costume. However Daredevil was able to deduce the Sir's secret and disclosed it to her, she suffered a nervous breakdown ending up locked in an institution. After escaping, Sir was recruited by Norman Osborn to use against Spider-Man.
Powers and Abilities
Above average strength.