Onslaught

Onslaught is the final boss of MVC1 and the main antagonist of the first MVC game. And most likely. He is the sub-boss of TurboTriangle601's upcoming fan game, Marvel vs Capcom X: Beyond Worlds. And like in MVCX. All marvel characters and all capcom characters are playable in this game. Even characters from marvel comics and capcom comics. And all sub-bosses of MVCX are playable. And the final boss is unlockable. You just have to beat all characters to unlock the final boss. The final boss of MVCX is an fan character by TT601 called..... ARMAGEDDON!

And he is actually the canon character of the wiki and marvel vs capcom x: beyond worlds and in Marvel vs Capcom X: Beyond Worlds. Their are new characters made by TT601 and in this game. You can create your own character or after you made your character in MVCX, Submit it to the creator. TurboTriangle601 or some other people that made the game with TT601. And for some reason. He is rumored to be Professor X?