X-Force: Under the Gun

Pyro

St. John Allerdyce

Valerie Cooper

Marvel

Henry Peter Gyrich

Marvel

Shatterstar

Gaveedra Seven, typically from Mojoverse

Boom-Boom

Tabitha Smith

Wolverine

Laura Kinney

Wolfgang von Strucker

Marvel, Supreme Hydra

Sauron

Karl Lykos, Marvel

Stryfe

Marvel

Feral

Maria Callasantos, from Marvel

G. W. Bridge

from Marvel

Masque

Morlocks

Tom Cassidy

Marvel, Black Tom

Zero

X-Men, MLF, usually from Earth-4935

Hammer

Wild Pack, Eisenhower Canty

Trevor Fitzroy

typically from Earth-1191

Gideon

Marvel

Forearm

MLF, Michael McCain

Wildside

Richard Gill

Copycat

Vanessa Carlysle

Weapon X

Garrison Kane

Domino

Vanessa Carlysle

"Professor"

Ship, Marvel

Phantazia

Eileen Harsaw

Tanya Anderssen

from X-Men

Crule

Marvel

Grizzly

Theodore Winchester

Sumo

MLF, Jun Tenta

Kamikaze

Mutant Liberation Front

Nicodemus

Marvel, Externals

Saul

Marvel, Externals

Absalom

Marvel, Externals

Tolliver

Tyler Dayspring

Tigerstryke

Weapon: Prime

Yeti

Weapon: Prime

Thornn

Lucia Callasantos, mutant

Burke

Marvel, Externals

General Jeremy Clarke

Marvel

Dr. Joshua

Marvel

Pico

Marvel