The Masters of Evil is a supervillain team that exists in Marvel Comics. Although the roster has changed over the years, the team remain the principal foes of the superhero team the Avengers.
listed alphabetically, after leader
Avengers #6-7, #9-10, #15-16 (vol. 1, Jul. 1964 - May 1965)
Avengers #54-55 (vol. 1, Jul. - Aug. 1968); #83 (vol. 1, Dec. 1970)
Avengers #222 (vol. 1, Aug. 1982); #227 - 229 (vol. 1, Jan. - Mar. 1983)
Avengers #273 - 277 (vol. 1, Nov. 1986 - Mar. 1987)
Avengers #270-277 (vol. 1, Aug. 1986 - Mar. 1987), Amazing Spider-Man #283 (vol. 1, Dec. 1986) and West Coast Avengers #16 (vol. 2, Jan. 1987).
listed alphabetically, after leader