this fighting game, this is x-men children of the atom 2

this will be base off onslaught series mostly,

with some other comic series like the Age of Apocalypse ,

it has 37 characters mostly x-men, 9 of them are from other marvel series

these are the characters line up

Cyclops
Storm
Wolverine
Beast
Rogue
Gambit
Colossus
Iceman
Night crawler
Psylocke
Cable
Banshee
Marrow
archangel
Bishop
bone.Wolverine
guido
Dazzler
sentinel
Omega Red
Sabre Tooth
Silver Samurai
Spiral
Magneto
Apocalypse
onslaught
Spider man
Captain America
Miss Marvel
Hulk
ironman
Wolvenom
Dead pool
Elektra
Hulk 2099
thor