Still working a bit on this one....The Ultimate Marvel Universe Contest

A

  * A-Next
  * Acolytes
  * Action Pack
  * AIM (Advanced Idea Mechanics)
  * Agents of Atlas
  * Agents of Fortune
  * Aladdin (Ultraverse)
  * 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
  * Apocalypse's Horsemen (see Horsemen of Apocalypse)
  * Asgardians
  * Askani
  * Assassin's Guild
  * The Assembly of Evil
  * Atlanteans
  * Avengers
  * Avengers (A-Next)
  * Avengers West Coast (see West Coast Avengers)
  * Avenging Host
  * Axis Mundi

B

  * BAD Girls, Inc.
  * Band of the Bland
  * Batroc's Brigade
  * Beta Flight
  * Beyond Corporation©
  * Beyonders
  * Big Hero 6
  * Black Air
  * Black Spectre
  * The Blood
  * Bogatyri
  * Brotherhood of Mutants
  * Brotherhood of Evil Mutants (see Brotherhood of Mutants)
  * Brothers Grimm
  * The B-Sides

C

  * Cadre K
  * Captain Britain Corps
  * Caretakers
  * Carnage Family
  * Cat People
  * Celestials
  * Cerebro's X-Men
  * 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
  * Code: Blue
  * 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 Guard
  * Dark Lords
  * Dark Riders
  * Darkhold Redeemers
  * Daughters of the Dragon
  * Dawn of the White Light
  * Death Squad
  * Death-Throws
  * Deathweb
  * Deep Six
  * Defenders
  * Delta Network
  * Demons
  * Department H
  * Department K
  * Desert Sword
  * Deviants
  * Doctor Doom's Generals
  * Dominus's 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
  * Excalibur
  * Excelsior (see Loners)
  * Exemplars
  * Exiles
  * Exiles (see Ultraverse)
  * Exiles (Red Skull allies)
  * Externals

F

  * Factor Three
  * Fallen Angels
  * Fantastic Five
  * Fantastic Force
  * Fantastic Four
     o Fantastic Four Incorporated
     o Ultimate Fantastic Four
  * Fathom Five
  * Fear Lords
  * Fearsome Foursome
  * Femizons
  * Femme Fatales
  * Fenris
  * The FIRM
  * First Line
  * The Flight
  * Folding Circle
  * Followers of the Light
  * The Fomor
  * Force Four
  * Force of Nature
  * Force Works
  * 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

G

  * Galactic Guardians
  * Gamma Corps
  * Gamma Flight
  * Gatherers
  * Gene Nation
  * Generation X
  * Genetech
  * Genetix
  * Giants
  * Gods
  * Godzilla Squad
  * Goodman, Lieber, Kurtzberg & Holliway
  * Grapplers
  * Great Beasts
  * Great Lakes Avengers
  * Guardians of the Galaxy
  * Guardsmen
  * Guild of Thieves
  * Gunhawks

H

  * Hammer and Anvil
  * Hand
  * Harriers
  * H.A.T.E.
  * Headmen
  * Heavy Metal
  * 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
  * Hyperkind (Razorline)

I

  * The Illuminati
  * Imperfects
  * Imperial Guard
  * Infinity Watch
  * Infra-Worlders
  * Inhumans
  * The Initiative
  * Institute of Evil
  * Invaders

J

  * Jury
  * Justice, Inc.

K

  * Kid Commandos
  * Killraven's Freemen
  * Knights of Pendragon
  * Knights of Wundagore
  * Kree Sentries

L

  * Lady Liberators
  * Landau, Luckman & Lake
  * Lava Men
  * League of Losers
  * Leatherneck Raiders
  * Lebeau Clan
  * Legion of Monsters
  * Legion of Night
  * Legion of the Unliving
  * Lemurians
  * Lethal Legion
  * Liberators
  * Liberty Legion
  * Livewires
  * Living Erasers
  * Lizard Men
  * The Lodge (Ultraverse)
  * Loners
  * Lost Generation (see First Line)

M

  * Maelstrom's Minions
  * Maggia
  * Magistrates
  * Mandarin's Minions
  * Mandroids
  * Mannites
  * Magneto's Acolytes (see Acolytes)
  * Marauders
  * Marvel Knights
  * Marvel Zombies
  * Masters of Evil
  * Mega Morphs
  * MI-13
  * Micronauts
  * Midnight Sons
  * Mindless Ones
  * Monster Hunters
  * Morlocks
  * Motormouth and Killpower
  * Mutant Force (see Resistants)
  * Mutant Liberation Front
  * Mutant X
  * Mys-Tech

N

  * Nasty Boys
  * National Force
  * Neo
  * Neo-Knights
  * New Canaanites
  * New Enforcers
  * The All-New Exiles (Ultraverse)
  * New Hellions (see Hellions)
  * New Men
  * New Mutants
  * New Invaders (see 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
  * Operation: Zero Tolerance
  * The Order
  * The Outcasts

P

  * Pacific Overlords
  * Pale Riders
  * Pantheon
  * Paragons
  * People's Defense Force
  * People's Protectorate (see Supreme Soviets)
  * Power Broker, Inc.
  * Power Pack
  * Press Gang
  * Pride
  * Prime Sentinel
  * Project Pegasus
  * Project Wideawake
  * Psi-Force
  * Psionex
  * Purifiers
  * Pyscho-warriors (Marvel UK)

Q

  * Quattro (Ultraverse)
  * Queen's Vengeance

R

  * Rangers
  * R.C.X.
  * Reavers
  * Recorders
  * Redeemers
  * Resistants
  * Revengers
  * Right
  * Rocketeers
  * Roxxon Oil
  * The Runaways

S

  * Salem's Seven
  * Santerians
  * Savage Land Mutates
  * Savage Land Races
  * Scarlet Knights
  * Scarlet Spiders (Red Team)
  * Scourges
  * Secret Empire
  * Sentinels
  * Serpent-Men
  * Serpent Society
  * Serpent Squad
  * Shadow-X
  * Shadowmasters
  * S.H.E.
  * S.H.I.E.L.D.
  * Shock Troop
  * Siberforce
  * Sinister Six
  * Sinister Syndicate
  * Sisterhood of the Wasp
  * Sisters of Sin
  * Six-Fingered Hand
  * Six Pack
  * Skeleton Crew
  * 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
  * The Spinsterhood
  * Spirits of Vengeance
  * The Sportsmen (Ultraverse)
  * The Squad (Ultraverse)
  * Squadron Sinister
  * Squadron Supreme
     o 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
  * 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
  * Vault
  * Vishanti
  * Vulturions

W

  * Wakandans
  * Warbound
  * Warheads (Marvel UK)
  * Warriors Three
  * Warwolves
  * Watchdogs
  * Weapon P.R.I.M.E.
  * Weapon Plus
  * Weapon X
     o Weapon X (Exiles)
  * Weathermen
  * West Coast Avengers
  * Wild Pack
  * Wildboys
  * Winter Guard
  * Witches
  * Wolfpack
  * 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
     o Ultimate X-Men
  * X-Men 2099 (Marvel 2099)
  * X-Nation 2099
  * 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