Aside from xmen, the matrix games for the original xbox were fun af and I would still play them today if I had em. Think The Path of Neo was the best.
Playable characters - X-men Legends Beast Colossus Cyclops Emma Frost Gambit Iceman Jean Grey Jubilee Magma Nightcrawler Professor X (only on one specific mission) Psylocke Rogue Storm Wolverine X-Men Legends 2 Featured (Playable) Characters: Bishop Colossus Cyclops Gambit Iceman Jean Grey Juggernaut Magneto Nightcrawler Rogue Scarlet Witch Storm Sunfire Toad Wolverine Unlockable Characters Deadpool Iron Man Professor X Marvel Ultimate Alliance Characters A. Spider-Man B. Captain America C. Iron Man D. Wolverine E. Thor F. Mr. Fantastic G. Thing H. Human Torch I. Invisible Woman J. Storm K. Colossus L. Iceman M. Moon Knight N. Deadpool O. Spider-Woman P. Elektra Q. Daredevil R. Luke Cage S. Ms. Marvel T. Silver Surfer U. Black Panther V. Doctor Strange W. Ghost Rider X. Blade Y. Nick Fury Additional characters for Gold Edition or DLC: Z. Hulk AA. Hawkeye BB. Nightcrawler CC. Cyclops DD. Magneto EE. Sabretooth FF. Dr. Doom GG. Venom Ultimate Alliance 2 Captain America Daredevil Deadpool Gambit Green Goblin Hulk Human Torch Iceman Invisible Woman Iron Fist Iron Man Jean Grey Luke Cage Mr. Fantastic Ms. Marvel Nick Fury Penance Songbird Spider-Man Storm Thing Thor Venom Wolverine X-Men 2: Clone Wars 1Beast 2Gambit 3Cyclops 4Psylocke 5Nightcrawler 6Wolverine 7Magneto There's also an Ultimate Alliance 3, which for some reason has only come out on nintendo which I am completely over....waiting for it's arrival on a less annoying console.