Parent article: List of Marvel Comics characters
0-9
The 198
A
- A-Next
- Acolytes
- Action Pack
- AIM (Advanced Idea Mechanics)
- Advocates Squad
- Agents of Atlas
- Agents of Fortune
- Agents of SMASH (Disney)
- Aladdin Assault Squad (Ultraverse)
- All-Winners Squad
- Alliance of Evil
- Alpha Flight
- Alpha Primitives
- Alpha Squadron
- America Redeemers
- Anachronauts, a group of warriors serving Kang the Conqueror as his personal guard
- Ani-Men
- Annihilators
- Apocalypse's Horsemen (see Horsemen of Apocalypse)
- A.R.M.O.R. (see S.H.I.E.L.D.#A.R.M.O.R.)
- Asgardians
- Askani
- Assassin's Guild
- The Assembly of Evil
- Atlanteans
- Avengers
- Avengers Resistance
- Avengers West Coast (see West Coast Avengers)
- Avenging Host
B
- The B-Sides (see Craptacular B-Sides)
- Bacchae
- BAD Girls, Inc.
- Band of the Bland
- Batroc's Brigade
- The Battalion
- Beta Flight
- Beyond Corporation©
- Beyonders
- Big Hero 6
- Black Air
- Black Brigade unit
- Black Spectre
- The Blood
- Blood Brothers
- Bogatyri
- Bozanian Beast Fighter (Ragnarok)
- Brotherhood of Badoon
- Brotherhood of Mutants
- Brothers Grimm
- Buckies - Urban commandos
C
- Cabal (Disney)
- Cadre K
- The Called
- Captain Britain Corps
- Caretakers
- Carnage Family
- Cat People
- The Cavalry
- Celestials
- Cerebro's X-Men
- Challengers of the Fantastic (Amalgam Comics)
- Champions
- Champions of Xandar
- The Charter
- The Chaste
- Cherubim
- Children of the Vault
- China Force
- Church of Humanity
- Circuits Maximus
- Circus of Crime
- Clan Akkaba
- Clan Boudreux
- ClanDestine
- Cloak and Dagger
- Cobra
- Code: Blue
- Cognoscenti
- The Command
- Commission on Superhuman Activities
- The Committee
- The Conspiracy
- Contingency
- The Corporation
- Council of the Chosen
- Craptacular B-Sides
- Crazy Eight
- Crazy Gang
- Creators
- The Crew
- Cross Technological Enterprises
- Crusaders
D
- Daily Bugle
- Daily Globe
- Damage Control
- Dark Avengers
- Dark Guard
- Dark Lords
- Dark Riders
- Dark X-Men
- Darkhold Redeemers
- Daughters of the Dragon
- Dawn of the White Light
- Deadpool Corps
- Death Commandos
- Death Squad
- Death-Throws
- Death Web
- Deep Six
- Defenders
- Delta Network
- Demi-Men
- Demons
- Desert Stars
- Department H
- Department K
- Desert Sword
- Deviants
- Diabolical Duo
- Doctor Doom's Generals
- Dominus' Minions
- D.P.7 (Displaced Paranormals Seven)
- Dragon Circle (see Defenders)
E
- Earth Force
- Elders of the Universe
- Elementals
- Elements of Doom
- Emissaries of Evil
- The Enchanters Three
- Enclave
- Enforcers
- Eternals
- Euroforce
- Euro-Trash
- The Evil Enforcers (see Enforcers)
- Excalibur
- Excelsior (see Loners)
- Exemplars
- Exiles
- Exiles (Ultraverse)
- Exiles (Red Skull allies)
- Externals
F
- Factor Three
- Fallen Angels
- Fantastic Five
- Fantastic Force
- Fantastic Four
- Fantastic Four Incorporated
- Ultimate Fantastic Four
- Fathom Five
- FBI
- Fear Lords
- Fearsome Foursome
- Femizons
- Femme Fatales
- Fenris
- The FIRM
- First Line, Seen in Marvel: The Lost Generation
- The Flight
- Folding Circle
- Followers of the Light
- The Fomor
- Force Four
- Force of Nature
- Force Works
- Forgotten
- Four Horsemen of Apocalypse
- Freedom's Brigade
- Freedom's Five - World War I team featuring Union Jack, Phantom Eagle, Sir Steel, Silver Squire and Crimson Cavalier
- Freedom Force
- Freex (Ultraverse)
- Friends of Humanity
- Frightful Four
- Front Line - Essentially a retcon to fill the gaps caused by Marvel's "sliding timescale", in which the emergence of major superheroes and events was only supposed to have occurred "about ten or fifteen years ago" at any given time, this team first appeared in March 2000, and the 12-issue series told of a supposedly decades-long existence with a huge number of (mostly undocumented) behind-the-scenes adventures.
- Future Foundation
G
- Galactic Guardians
- Gamma Corps
- Gamma Flight
- The Garrison
- The Gatherers
- Gene Nation
- Generation X
- Genetix
- Giants
- Gods
- Godzilla Squad
- Goodman, Lieber, Kurtzberg & Holliway
- Grapplers
- Great Beasts
- Great Lakes Avengers
- Green Cross
- Guardians of the Galaxy (1969 team)
- Guardians of the Galaxy (2008 team)
- Guardsmen
- Gunhawks
H
- H.A.M.M.E.R.
- Hammer and Anvil
- The Hand
- Harriers
- H.A.T.E.
- Hawkeye & Mockingbird
- Headmen
- Heavy Hitters
- Heavy Metal - A group of villains in the Marvel Universe. They first appeared in Avengers vol. 1 #288, and apparently disbanded after their defeat in Avengers vol. 1 #290. Membership of the group were the Awesome Android, Machine Man, Sentry #459, the Super-Adaptoid and TESS-One. Their main purpose was to serve the Super-Adaptoid, whom the group had as leader and aid him in his quest to gain the Cosmic Cube's power.
- Heavy Mettle
- Heliopolitans
- Hell's Belles
- Hellfire Club
- The Hellbent
- Hellions
- Heralds of Galactus
- Heroes for Hire
- Horsemen of Apocalypse
- Hounds
- Howling Commandos (Nick Fury)
- Howling Commandos (Sgt. Fury)
- Hulkbusters
- Humanity's Last Stand
- HYDRA
- Hydro-Men - These characters, created by Bill Everett, Steve Gerber and Win Mortimer first appeared in Sub-Mariner #61 (May, 1973). The Hydro-Men is an organization led by fanatical scientist Herman Frayne who used mutagenic Terrigen Mist to transform himself into a green, scaly-skinned humanoid. He took the name of Doctor Hydro. He also transformed his hired agents into Hydro-Men as well.
- Hyperkind (Razorline)
I
- Illuminati
- Imperfects (Marvel-EA)
- Imperial Guard
- Infinity Watch
- Infra-Worlders
- Inhumans
- The Initiative
- Insidious Six
- Institute of Evil
- Intelligencia
- The Intruders
- Invaders
J
- Jade Syndicate (Activision)
- Jury
K
- Kid Commandos
- Killraven's Freemen
- Knights of Pendragon
- Knights of Wundagore
- Kree Sentries
L
- Lady Liberators
- Landau, Luckman, and Lake
- Lava Men
- League of Losers
- Leatherneck Raiders
- Lebeau Clan
- Legion Of Galactic Guardians 2099 (Amalgam Comics)
- Legion of Monsters
- Legion of Night
- Legion of the Unliving
- Lemurians
- Lethal Legion
- Leviathan (Marvel Anime)
- Liberators
- Liberty Legion
- Livewires
- Living Erasers
- Lizard Men
- Lockjaw and the Pet Avengers
- The Lodge (Ultraverse)
- Loners
- Lost Souls
M
- Maelstrom's Minions
- Maggia
- Magistrates
- Magnetic Men (Amalgam Comics)
- Mandarin's Minions
- Mandroids
- Mannites
- Magneto's Acolytes (see Acolytes)
- Marauders
- Marvel Knights
- Marvel Zombies
- Masters of Evil
- The Mavericks
- Mega Morphs
- MI-13
- Micronauts
- Midnight Sons
- The Mighty Avengers
- Mindless Ones
- Minions of Menace
- Monster Hunters
- Morlocks
- Motormouth and Killpower
- Mutant Force (see Resistants)
- Mutant Liberation Front
- Mys-Tech (Marvel UK)
N
- Nasty Boys
- National Force
- Neo
- Neo-Knights
- New Avengers
- New Canaanites
- New Enforcers
- The All-New Exiles (Ultraverse)
- New Hellions
- New Men
- New Mutants
- New Invaders
- New Warriors
- New X-Men
- Nextwave
- Neyaphem
- Nick Fury's Howling Commandos
- Night Shift
- Nightstalkers
- Norns
- Nova Corps
O
- O-Force
- Octessence
- Office of National Emergency
- Olympians
- Omega Flight
- Omega Gang
- The Order
- The Outcasts
- The Outlaws
P
- Pacific Overlords
- Pale Riders
- Pantheon
- Paragons
- People's Defense Force
- People's Protectorate (see Supreme Soviets)
- Pet Avengers
- Point Men
- Power Broker, Inc.
- Power Pack
- Press Gang
- Pride
- Prime Sentinels
- Project Pegasus
- Project Rebirth
- Project Wideawake
- Psi-Force
- Psionex
- Purifiers
- Psycho-nauts (Epic Comics)
- Psycho-warriors (Marvel UK)
Q
- Quattro (Ultraverse)
- Queen's Vengeance
R
- Rangers
- R.C.X.
- Reavers
- Recorders
- Redeemers
- Renegades
- Resistants
- Revengers
- Right
- Rocketeers
- Roxxon Oil
- The Runaways
S
- Salem's Seven
- Santerians
- Savage Land Mutates
- Savage Land Races
- Savage Six
- Scarlet Knights
- Scarlet Spiders (Red Team)
- Scourges
- Schutz Heiliggruppe
- Secret Avengers
- Secret Empire
- Secret Warriors
- Sentinels
- Serpent-Men
- Serpent Society
- Serpent Squad
- Shadow Initiative
- Shadow-X
- Shadowmasters
- S.H.E.
- S.H.I.E.L.D.
- Shock Troop
- Siberforce
- Sinister Six
- Sinister Society (Amalgam Comics)
- Sinister Syndicate
- Sisterhood of the Wasp
- Sisters of Sin
- The Six
- Six-Fingered Hand
- Six Pack
- Skeleton Crew
- Skrull Kill Krew
- Slingers
- Soldiers of Misfortune
- The Solution (Ultraverse)
- Sons of Satannish
- Sons of the Serpent
- Sons of the Tiger
- Soviet Super-Soldiers
- Spaceknights
- Space Phantoms
- Space Pirates
- Special Executive
- The Spider Society
- Spider-Slayers
- The Spinsterhood
- Spirits of Vengeance
- The Sportsmen (Ultraverse)
- The Squad (Ultraverse)
- Squadron Sinister
- Squadron Supreme
- Squadron Supreme (Supreme Power)
- Stane International
- Starforce
- Starjammers
- Stark Enterprises
- Stark Industries
- Stark International
- Stark Solutions
- Stark Fujikawa
- Star Masters
- The Strangers (Ultraverse)
- S.T.R.I.K.E.
- Styx and Stone
- Subterraneans
- Sunset Riders
- Super-Axis
- Super Soldiers
- Superguardians
- Superhuman Restraint Unit
- Supreme Soviets
- S.U.R.F.
- S.W.O.R.D.
T
- TNTNT (Ultraverse)
- Team America (see Thunderiders)
- Team X
- Technet
- Temploids (Marvel UK)
- Teen Brigade
- Terrible Trio
- Terror Inc.
- Thieves' Guild (see Gambit)
- THEM
- Thor Corps
- Thunderbolts
- Thunderiders
- Time Variance Authority
- Titanic Three
- Trash
- Triumvirate of Terror
- Triune Understanding - Triune Understanding is a religious cult created by Kurt Busiek for volume three of the Marvel Comics Avengers series.
- True Believers
- The Twelve
U
- U-Foes
- U-Men
- The Ultimates
- Ultimatum
- Ultimate Fantastic Four
- Ultimate X-Men
- Ultraforce (Ultraverse)
- Underground
- Undying Ones
- Unholy Three
- Uni-Mind
- Unified Thieves and Assassins Guild of New Orleans
- Unlimited Class Wrestling Federation
- Upstarts
- Uranians
V
- V-Battalion
- Valkyrior
- Vampires
- Vanguard
- Vault
- Vishanti
- Vulturions
W
- Wakandans
- Warbound
- Warclan
- Warheads (Marvel UK)
- Warriors Three
- Warwolves
- Watchdogs
- Weapon P.R.I.M.E.
- Weapon Plus
- Weapon X
- Weapon X (Exiles)
- Weathermen
- West Coast Avengers
- Wild Pack
- Wildboys
- Winter Guard
- Witches
- Wolfpack
- The Women Warriors
- Wrecking Crew
X
- Xavier's Security Enforcers
- Xavier's Underground Enforcers
- X-Babies
- X-Cell
- X-Corporation
- X-Corps
- X-Factor
- X-Factor Investigations
- X-Force
- X-Men
- Ultimate X-Men
- X-Men 2099 (Marvel 2099)
- X-Nation 2099
- X-Patrol (Amalgam Comics)
- X-People
- X-Treme Sanctions Executive
- X-Statix
- X-Terminators
- X-Ternals
Y
- Yeti
- Young Allies
- Young Avengers
- Young Gods
- Young X-Men
Z
- Zodiac