Archangel
Banshee
Beast
Bishop
Cable
Cannonball
Cecilia Reyes
Chamber
Changeling
Colossus
Cyclops
Dazzler
Dust
Emma Frost
Forge
Gambit
Gateway
Havok
Husk
Iceman
Jean Grey
Joanna Cargill
Joseph
Jubilee
Juggernaut
Lifeguard
Longshot
Maggot
Marvel Girl III
Mimic
Nightcrawler
Northstar
Polaris
Professor X
Psylocke
Rogue
Sage
Shadowcat
Slipstream
Stacy X
Storm
Sunfire
Thunderbird
Wolverine
Xorn

Askani
Cable
Jean Grey
Marvel Girl III

Avengers
Beast
Wolverine

Begin Agains
Cyclops

Brand Corp.
Beast

Bratpack
Cannonball

Champions

Archangel
Iceman

Clan Akkaba
Chamber

Clan Chosen
Cable

Corsair's Squad
Cyclops

The Cybernet
Forge

Defenders

Archangel
Beast
Iceman

Excalibur
Colossus
Dazzler
Juggernaut
Marvel Girl III
Mimic
Nightcrawler
Sage
Shadowcat

Factor Three
Banshee
Juggernaut

Generation X
Banshee
Chamber
Gateway
Husk
Jubilee
Maggot

Gladiators
Dazzler
Shadowcat

Hellions
Cannonball
Dust
Emma Frost
Empath
Jetstream
Tarot

Hounds
Cyclops
Marvel Girl III

Interpol
Banshee

Massachussetts Academy
Emma Frost

M.O.N.S.T.E.R
Beast

Muir Islanders
Banshee

Mutantes sans Frontieres

Archangel
Husk

New Mutants
Cable
Cannonball
Professor X
Rusty Collins
Shadowcat

Omega Squad
Bishop

Queen's Vengeance
Beast

Ravens

Archangel

Rejects

Archangel
Beast

The Six
Havok

Six Pack
Cable

Team X
Bishop

The Twelve
Bishop
Cable
Cyclops
Iceman
Jean Grey
Polaris
Professor X
Storm
Sunfire

Underground
Cable

Unknown Champions

Archangel
Storm
Sunfire

X-Corps
Banshee
Cannonball
Empath
Husk
Jubilee
Lifeguard
Sunfire

X-Faces
Bishop

X-Factor

Archangel
Beast
Cyclops
Forge
Havok
Iceman
Jean Grey
Polaris
Rusty Collins

X-Force
Cable
Cannonball

X-Terminators

Archangel
Beast
Cyclops
Iceman
Jean Grey
Rusty Collins

X-treme Sanctions Executive
Bishop
Cannonball
Marvel Girl III
Nightcrawler
Rogue
Sage
Storm
Wolverine

Xavier's Security Enforcers
Bishop

Wild Pack
Cable

Wildway's Rebellion
Dazzler
Longshot

Villians

Acolytes
Amelia Voght
Anne-Marie Cortez
Chrome
Colossus
Cortez
Decay
Exodus
Harry Delgado
Joanna Cargill
Joseph
Rusty Collins

Alliance of Evil
Joanna Cargill

Brotherhood of Evil Mutants
Exodus
Havok
Mimic
Professor X
Rogue
Xorn

Crimson Pirates

Archangel
Cable
Colossus
Gambit
Psylocke
Storm

Factor Three
Changeling

Four Horsemen of Apocalypse

Archangel
Gambit
Polaris
Sunfire
Wolverine

Genoshan Cabinet
Amelia Voght
Cortez
Polaris

Hellfire Club
Emma Frost
Psylocke
Sage

Loyalist Faction
Amelia Voght
Joanna Cargill

Marauders
Gambit
Polaris

Renegade Faction
Cortez

Strikeforce
Decay

Thieves Guild
Gambit

Upstarts
Cortez

Other

Dark Descendants
Havok
Professor X

Magistrates
Havok

SHIELD
Harry Delgado
Shadowcat

Weapon X Program
Chamber
Wolverine

Operation: Zero Tolerance
Joseph
Professor X