The game brings together characters from the Marvel Comics universe and various Capcom franchises, offering a diverse and expansive roster of fighters. Players can choose from a wide array of heroes and villains, including iconic characters like Captain America, Spider-Man, Wolverine from Marvel, and Ryu, Chun-Li from Capcom's own franchises.
The search for a phantom ROM will only lead to viruses and disappointment. Instead, spend that energy mastering a real, official version of the game. Watch some combo videos of Dante, Deadpool, and Amaterasu. Then go buy Ultimate Marvel vs. Capcom 3 on your platform of choice.
This is the definitive way to play. No emulation tweaking required.