Taskmaster (Tony Masters) is a fictional character in the Marvel Comics universe. The character was primarily a supervillain but now is often portrayed as an antihero. The Taskmaster first appeared in Avengers vol.1 #195 (May 1980) and was created by David Michelinie and George Pérez. Introduced as an enemy of the Avengers, the Taskmaster went on to feature in numerous Marvel titles, most notably as an enemy/ally of Deadpool.
The Taskmaster 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 (2011), the character was revealed to be a S.H.I.E.L.D. sleeper agent planted by Nick Fury to gather intelligence in the criminal underworld.