Masters of Evil

Name: Masters of Evil
Members: Baron Zemo, Loki, Klaw, Whirlwind, Living Laser, Grey Gargoyle, Grim Reaper, Tigershark, Wrecker, Piledriver, Thunderball, Bulldozer, Mr.Hyde
First Appearance: Avengers #6
(May 1964)

The Masters of Evil were a team of supervillains. There have been eight incarnations of the Masters of Evil, accumulating dozens of members in total. The Masters of Evil were primarily opposed to the Avengers, although they also battled the Thunderbolts (ironically consisting of former Masters of Evil) and the Guardians of the Galaxy.