Membership
listed alphabetically, after leader
Baron Heinrich Zemo's incarnation
Avengers #6-7, 9-10, 15-16 (July 1964 - May 1965)
- Baron Heinrich Zemo (leader) - He is an old enemy of Captain America from World War II.
- Black Knight (Nathan Garrett) - A descendant of Sir Percy of Scandia and an enemy of Giant-Man who uses an arsenal of medieval weapons that employ modern technology (including a lance that fired bolts of energy) and genetically engineers and creates a winged horse called Aragorn.
- Enchantress (Amora) - An Asgardian sorceress and an enemy of Thor.
- Executioner (Skurge) - A half-giant companion of Enchantress and an enemy of Thor.
- Melter - An enemy of Iron Man who uses melting devices.
- Radioactive Man - A nuclear physicist with radioactive abilities and an enemy of Thor.
- Wonder Man - The owner of Williams Innovations who gains his ion-based powers from an ion ray. He sacrificed himself to save the Avengers.
Ultron's incarnation
Avengers #54-55 (July - Aug. 1968); 83 (Dec. 1970)
- Ultron-5 (leader) - A robot that was created by Hank Pym.
- Black Knight (Dane Whitman) - The nephew of Nathan Garrett. He joined the team with the intention of betraying them.
- Klaw - A sound-based supervillain who is an enemy of the Black Panther and the Fantastic Four.
- Whirlwind - A mutant with wind-based abilities who is an enemy of Giant-Man and the Wasp.
- Melter
- Radioactive Man
Egghead's incarnation
Avengers #222 (Aug. 1982); 227 - 229 (Jan. - Mar. 1983)
- Egghead (leader) - A mad scientist with an egg-shaped head who is an enemy of Hank Pym.
- Beetle (Abner Jenkins) - A supervillain in beetle-themed armor who is an enemy of Spider-Man.
- Moonstone - A supervillain whose powers derive from an alien gem who previously fought Captain America and the Hulk.
- Radioactive Man
- Scorpion (Mac Gargan) - A scorpion-themed supervillain who is an enemy of Spider-Man.
- Shocker (Herman Schultz) - A supervillain wielding vibration gauntlets who is an enemy of Spider-Man.
- Tiger Shark - A tiger shark-themed supervillain who is an enemy of Namor the Sub-Mariner.
- Whirlwind
Baron Helmut Zemo's first incarnation
Avengers #273 - 277 (Nov. 1986 - Mar. 1987)
- Baron Helmut Zemo (leader) - The son of Baron Heinrich Zemo.
- Absorbing Man - A supervillain who can absorb the properties of anything and is an enemy of Thor and the Hulk.
- Blackout (Marcus Daniels) - A Darkforce-manipulating supervillain.
- Black Mamba - A member of the Serpent Society who has Darkforce energy control and illusion-casting abilities. She is an associate who appears as Tanya Sealy.
- Fixer (Paul Norbert Ebersol) - A genius-level criminal inventor.
- Goliath (Erik Josten) - A size-shifting supervillain who the Enchantress put through the same procedure as Wonder Man.
- Grey Gargoyle - An enemy of Thor who can temporarily turn anything he touches to stone.
- Mister Hyde - A biochemist and an enemy of Thor who is inspired by the novel Strange Case of Dr. Jekyll and Mr. Hyde and takes a formula that grants him a similar transformation.
- Moonstone
- Screaming Mimi - A supervillain with a sonic scream.
- Tiger Shark
- Titania - A super-strong supervillain who is the love interest of the Absorbing Man.
- Whirlwind
- The Wrecking Crew - A group of supervillains that are enemies of Thor.
- Bulldozer - A supervillain with an armored metal helmet who fights by ramming his victims head-first.
- Piledriver - A supervillain who fights with his oversized pile-driving fists.
- Thunderball - The group's thinker who wields a huge demolition ball on a chain.
- Wrecker - The team's leader who wields an indestructible crowbar with magical properties. He both hates and fears Thor.
- Yellowjacket - A reluctant supervillain who uses one of Hank Pym's stolen Yellowjacket costumes.
Doctor Octopus' incarnation
- Doctor Octopus (leader) - A supervillain with four metal tentacles who is an enemy of Spider-Man.
- Absorbing Man
- Gargantua - A 25 ft. supervillain that used to work as a biochemist for S.H.I.E.L.D.
- Jackhammer - A super-strong supervillain who used to work for Silvermane's HYDRA branch.
- Oddball - A juggler and street fighter that is a member of the Death-Throws.
- Powderkeg - A super-strong villain who can also sweat a nitroglycerin compound.
- Puff Adder - A mutant and Serpent Society member with the power to breathe various debilitative gases (in one instance, the gas was able to eat away a metal lock) and inflate his body mass to a certain extent. He also has superhuman strength and increased physical durability.
- Shocker (Herman Schultz)
- Titania
- Yellowjacket (Rita DeMara)
Baron Helmut Zemo's second incarnation / Thunderbolts
Avengers #270-277 (Aug. 1986 - Mar. 1987), Amazing Spider-Man #283 (Dec. 1986) and West Coast Avengers (vol. 2) #16 (Jan. 1987).
The Crimson Cowl's first incarnation
- Crimson Cowl (leader) - The daughter of Justin Hammer.
- Aqueduct - A supervillain who can control and shape water.
- Bison - A bison-themed supervillain who was transformed from an injured basketball player by the Egyptian god Seth and had previously fought Luke Cage and Thunderstrike.
- Blackwing - The son of Silvermane and an enemy of Captain America and Daredevil, who is an expert bat trainer.
- Boomerang - A boomerang-wielding supervillain and an enemy of Spider-Man.
- Cardinal - A supervillain who wears an armored suit that can fly and has a number of offensive weapons including energy blasters, a grenade launcher and a tar gun.
- Constrictor - A boa constrictor-themed supervillain and former S.H.I.E.L.D. agent.
- Cyclone (Pierre Fresson) - A supervillain who wears a costume that enables him to create tornado-force whirlwinds.
- Dragonfly - A dragonfly-themed supervillain and former Maggia member who can fly and has a hypnotic gaze.
- Eel (Edward Lavell) - A supervillain who wears an electrified lubricated suit.
- Flying Tiger - A supervillain whose tiger-like body armor makes him capable of powered flight, as well as giving him enhanced strength, durability and endurance, and a set of claws.
- Icemaster - A cryokinetic supervillain.
- Joystick - A supervillain with super-strength and super-speed who also wears a wrist device that creates energy batons.
- Klaw
- Lodestone - A supervillain who can manipulate the magnetic force.
- Man-Ape - A supervillain from Wakanda and an enemy of the Black Panther.
- Man-Killer - A supervillain with super-strength and size-shifting abilities.
- Quicksand - A supervillain who can transform her body into a sand-like substance.
- Scorcher - A supervillain and an enemy of Spider-Man whose insulated suit has flamethrower equipment.
- Shatterfist - A supervillain and an enemy of Thor who wields power gloves that delivers devastating blows.
- Shockwave - A supervillain and an enemy of Shang-Chi whose suit enables him to generate an electric shock.
- Slyde - A supervillain and skilled chemist whose suit grants him super-speed.
- Sunstroke - A solar-manipulating supervillain created by Dominus.
- Supercharger - A supervillain who can absorb, store, and release electricity.
- Tiger Shark
The Crimson Cowl's second incarnation
- Crimson Cowl (leader)
- Black Mamba
- Cardinal
- Cyclone (Pierre Fresson)
- Gypsy Moth - A telekinetic moth-themed supervillain.
- Hydro-Man - A supervillain and an enemy of Spider-Man who can generate, control, and become water.
- Machinesmith - A robotic genius who can transfer his mind into other machines.
- Man-Killer
The Shadow Council's incarnation
- Max Fury (first leader) - A rogue Life Model Decoy of Nick Fury.
- Baron Helmut Zemo (second leader)
- Bi-Beast - An android whose has a second head on top of his head.
- Black Talon (Samuel Barone) - A voodoo magician.
- Brothers Grimm (Percy and Barton Grimes) - Two brothers whose costumes enable them to produce matter.
- Carrion (William Allen) - A former S.H.I.E.L.D. scientist exposed to the Carrion virus.
- Constrictor
- Crossfire - A former CIA interrogation expert who became an arms dealer.
- Daimon Hellstrom - The half-human son of the demon Marduk Kurios (a.k.a. "Satan") who became Baron Zemo's magic expert.
- Diablo - An alchemist who is an enemy of the Fantastic Four.
- Eel (Edward Lavell)
- Firebrand - A mutated eco-terrorist.
- Griffin - A beastly supervillain.
- Killer Shrike - A mercenary who was enhanced by Roxxon Energy Corporation
- Lady Stilt-Man (Callie Ryan) - A female counterpart of Stilt-Man.
- Lascivious - A former member of the Grapplers who was given seduction-based powers.
- Letha - An acrobatic wrestler and former member of the Grapplers.
- Madame Masque - She serves as Baron Zemo's right-hand woman.
- Madcap - An insanity-inducing supervillain.
- Pink Pearl - An obese woman with super-strength who is an enemy of Alpha Flight.
- Porcupine (Roger Gocking) - A porcupine-themed supervillain.
- Princess Python - A former member of the Serpent Society and the Circus of Crime who owns a pet African rock python.
- Ringer - A ring-themed supervillain
- Satannish - An extra-dimensional demon.
- Scarecrow - A scarecrow-themed villain.
- Squid (Don Callahan) - A squid-themed supervillain.
- Tiger Shark
- Tinkerer - A scientific genius who makes weapons and equipment for supervillains.
- Vengeance (Kowalski) - A former deputy who wields a hellfire shotgun.
- Whiplash (Anton Vanko) - A Russian scientist who wields energy whips.
- The Wrecking Crew
- Young Masters - A young counterpart of the Masters of Evil who are trained by the Constrictor.
- Alex Wilder - A former member of the Runaways who was resurrected by Daimon Hellstrom.
- Black Knight (unnamed female) - A female incarnation of the Black Knight.
- Coat of Arms - A swordswoman whose magic coat grants her six arms.
- Egghead II - A robot.
- Enchantress (Sylvie Lushton) - A sorceress who claims to be an Asgardian.
- Excavator - The teenage son of Piledriver and a temporary member of the Wrecking Crew. Excavator wielded an enchanted shovel.
- Executioner (Daniel DuBois) - A vigilante who is the son of Princess Python.
- Mako - A test tube Atlantean who was grown from the cell samples of Attuma, Orka, Tyrak, and U-Man.
- Melter (Christopher Colchiss) - A superhuman and leader of the Young Masters who can cause objects to melt.
- Mudbug - A mutant with a crayfish physiology who was a former student of the Hellfire Club's Hellfire Academy.
- Radioactive Kid - A young criminal in a hazmat suit has demonstrated the ability to melt and mutate human flesh with a touch.
- Snot - A former student of the Hellfire Academy who can propel large amounts of snot from his nose.
Lightmaster's incarnation
- Lightmaster (leader) - A supervillain whose suit enables him to manipulate light.
- Absorbing Man
- Blackout
- Mister Hyde
- Titania
- Whirlwind
- Wrecking Crew
Baron Helmut Zemo's third incarnation
The West Coast Masters of Evil
- Madame Masque (leader)
- Derek Bishop - The father of Kate Bishop.
- Eleanor Bishop - The mother of Kate Bishop who was revived as a vampire.
- Eel
- Graviton - A supervillain with control over gravity.
- Lady Bullseye - A ninja.
- MODOK Superior - A clone of MODOK with the cloned brain of his predecessor.
- Satana the Devil's Daughter (Satana Hellstrom) - The sister of Daimon Hellstrom.
Multiversal Masters of Evil
- Mephisto (benefactor)
- Doom Supreme (leader) - A version of Doctor Doom from an unidentified reality who is the master of the darkest arts.
- Black Skull - A version of Red Skull from an unidentified reality who possesses the Venom Symbiote.
- Dark Phoenix - An unidentified golden-skinned female host of the Phoenix Force who wears a dark robe. Her appearance is revealed to be the form of a Mystique variant from Earth-14412.
- Berserkers - The pets of Dark Phoenix who consider her their mother.
- Hound - An unidentified alternate reality version of Wolverine that is loyal to Dark Phoenix and has spikes coming out of his body.
- An unidentified reality version of Thor.
- Berserkers - The pets of Dark Phoenix who consider her their mother.
- Ghost Goblin - A version of Green Goblin from an unidentified reality with the powers of Ghost Rider who can also throw flaming skull-shaped Noggin Bombs.
- Kid Thanos - A younger version of Thanos that was apparently taken from the past.
- King Killmonger - A variation of Erik Killmonger conqueror of Wakanda and Asgard from an unidentified reality who is wearing an armor that resembles the Destroyer laced with Vibranium.
Masters of Evil XII
- Arcade
- Baron Mordo - A sorcerer who is an enemy of Doctor Strange.
- Doctor Octopus -
- MODOK Superior -
- Madelyne Pryor - A clone of Jean Grey.
- Mysterio - An illusionist and enemy of Spider-Man.
