Taskmaster

Taskmaster is a fictional character, an anti-hero and sometimes supervillain in the Marvel Comics universe. The character was primarily a supervillain but now is often portrayed as an antihero. Taskmaster first appeared in Avengers vol. 1 #195 and was created by David Michelinie and George Pérez. Introduced as an enemy of the Avengers, Taskmaster went on to feature in numerous Marvel titles, most notably as an enemy/ally of Deadpool. He is often hired as a training instructor by various criminal organizations, as well as S.H.I.E.L.D. and the U.S. government. In Taskmaster vol. 2 #3, the character was revealed to be a sleeper agent of S.H.I.E.L.D. planted by Nick Fury to gather intelligence in the criminal underworld.