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)
Baron Heinrich Zemo (leader)
Black Knight (Nathan Garrett)
Enchantress
Executioner
Melter
Radioactive Man
Wonder Man (sacrificed himself to save the Avengers)
Avengers #54-55 (vol. 1, Jul. - Aug. 1968); #83 (vol. 1, Dec. 1970)
Ultron-5 (leader)
Black Knight (Dane Whitman) (joined with the intention of betraying the Masters)
Klaw
Whirlwind
Melter
Radioactive Man
Avengers #222 (vol. 1, Aug. 1982); #227 - 229 (vol. 1, Jan. - Mar. 1983)
Egghead (leader)
Beetle
Moonstone
Scorpion (Mac Gargan)
Radioactive Man
Shocker (Herman Schultz)
Tiger Shark
Whirlwind
Avengers #273 - 277 (vol. 1, Nov. 1986 - Mar. 1987)
Baron Helmut Zemo (leader)
Absorbing Man
Blackout (Marcus Daniels)
Black Mamba (associate, appears as Tanya Sealy)
Fixer (Paul Norbert Ebersol)
Goliath (Erik Josten)
Grey Gargoyle
Mister Hyde
Moonstone
Screaming Mimi (new recruit)
Tiger Shark
Titania
Whirlwind
Wrecking Crew
Bulldozer
Piledriver
Thunderball
Wrecker
Yellowjacket
Doctor Octopus (leader)
Absorbing Man
Gargantua
Jackhammer
Oddball
Powderkeg
Puff Adder
Shocker (Herman Schultz)
Titania
Yellowjacket (Rita DeMara)
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).
Baron Helmut Zemo (leader)
Beetle / MACH-1
Fixer / Techno
Goliath / Atlas
Moonstone / Meteorite
Screaming Mimi / Songbird
Crimson Cowl (leader)
Aqueduct
Bison
Blackwing
Boomerang
Cardinal
Constrictor
Cyclone (Pierre Fresson)
Dragonfly
Eel (Edward Lavell)
Flying Tiger
Icemaster
Joystick
Klaw
Lodestone
Man-Ape
Man-Killer
Quicksand
Scorcher
Shatterfist
Shockwave
Slyde
Sunstroke
Supercharger
Tiger Shark
Crimson Cowl (leader)
Black Mamba
Cardinal
Cyclone (Pierre Fresson)
Gypsy Moth
Hydro-Man
Machinesmith
Man-Killer
Shadow Council's incarnation
Max Fury (first leader)
Baron Helmut Zemo (second leader)
Bi-Beast
Black Talon (Samuel Barone)
Brothers Grimm (Percy and Barton Grimes)
Carrion
Constrictor
Crossfire
Daimon Hellstrom
Diablo
Eel
Firebrand
Griffin
Killer Shrike
Lady Stilt-Man
Lascivious
Letha
Madame Masque
Madcap
Pink Pearl
Porcupine
Princess Python
Ringer
Satannish
Squid (Don Callahan)
Tiger Shark
Tinkerer
Vengeance (Kowalski)
Whiplash (Anton Vanko)
Wrecking Crew
Wrecker
Bulldozer
Piledriver
Thunderball
Young Masters
Alex Wilder
Black Knight
Coat of Arms
Egghead
Enchantress
Excavator
Executioner
Mako
Melter
Mudbug
Radioactive Kid
Lightmaster (leader)
Absorbing Man
Blackout
Mister Hyde
Titania
Whirlwind
Wrecking Crew
Wrecker
Bulldozer
Piledriver
Thunderball
Baron Helmut Zemo (leader)
Klaw
Man-Killer
Tiger Shark
Whiplash
Wrecking Crew
Wrecker
Bulldozer
Piledriver
Thunderball
listed alphabetically, after leader
Abomination
Baron Zemo
Doctor Doom
Leader
Ultron
Hood (Leader)
Absorbing Man
Batroc the Leaper
Blizzard (Donnie Gill)
Chemistro (Calvin Carr)
Cobra (Klaus Voorhees)
Constrictor
Crossbones
Madame Masque
Mister Hyde
Nitro
Sandman
Titania
Wizard
The Wrecking Crew
Bulldozer
Piledriver
Thunderball
Wrecker
Doctor Doom (Leader)
Arcade
Attuma
Baron Mordo
Bullseye
Byrrah
Crimson Dynamo (Valentin Shatalov)
Destroyer
Enchantress
Executioner
Fin Fang Foom
Grey Gargoyle
Lizard
Loki
Mandarin
M.O.D.O.K.
Mysterio
Radioactive Man
Rhino
Scorpion
Shocker
Tiger Shark
Ultron
Warlord Krang
Winter Soldier
The Wrecking Crew
Bulldozer
Piledriver
Thunderball
Wrecker