here's a list:
Anti-Registration
Aegis
Battlestar
Black Panther
Cable
Captain America
Luke Cage
Cloak
Dagger
Daredevil (Danny Rand)
Falcon
Firestar
Flag-Smasher
Sally Floyd
Jane Foster
Nick Fury
Gladiatrix
Goliath
Hercules
Jessica Jones
Justice
Network
Night Nurse
Prodigy
Quicksilver
Rage
Runaways - Karolina Dean, Molly Hayes, Victor Mancha, Nico Minoru, Old Lace, Chase Stein, Xavin
Silverclaw
Slapstick
Solo
Speedball
Thunderclap
Typeface
Ben Urich
Yancy Street Gang
Young Avengers - Hawkeye, Hulkling, Patriot, Speed, Stature, Vision, Wiccan
X-Factor Investigations - M (Monet St. Croix), Layla Miller, Multiple Man, Rictor, Siryn, Strong Guy, Wolfsbane
X-Men - Archangel, Beast, Cyclops, Emma Frost, Iceman, Storm, Wolverine
Pro-Registration
Arachne
Araña
Bantam
Bishop
Black Widow
Commission - Valerie Cooper, Dallas Riordan, Henry Gyrich, Yellowjacket
Deadpool
Doc Samson
Great Lakes Champions - Big Bertha, Doorman, Flatman, Mister Immortal, Squirrel Girl
Harold "Happy" Hogan
Invisible Woman
Iron Man
J. Jonah Jameson
Micromax
Mister Fantastic
Ms. Marvel
Sabra
S.H.I.E.L.D.
Sentry
She-Hulk
Spider-Man
Sprite
Thing
Thor
Thunderbolts - Ajaxis, Aqueduct, Asylum, Atlas, Baron Zemo, Batroc, Beetle (Joaquim), Beetle (MK-II), Beetle (MK-III), Blacklash, Blizzard, Bloodstrike, Boomerang, Bulldozer, Bushmaster, Coronary, Death Adder, Doctor Octopus, Eel, Fixer, Griffin, Ironclad, Joystick, Killer Shrike, King Cobra, MACH-IV, Machete, Mathemanic, Snake Marston, Mongoose, Overmind, Ox, Piledriver, Porcupine, Pretty Persuasions, Primus, Quicksand, Radioactive Man, Rattler, Red Ronin, Scarecrow, Silk Fever, Slyde, Smiling Tiger, Smuggler, Songbird, Swordsman, Tatterdemalion, Texas Twister, Thunderball, Unicorn, Vapor, Vector, Vermin, Whiplash, Whirlwind, Wrecker, X-Ray, Zaran
Tigra
Wasp
Wonder Man