^^^ Yep. Basically, SKULLGIRLS WOOOOO
The thing is, this isn't really a plus if you don't like or play any of those characters, as I don't. So for me, Marvel 2 is basically unplayable on a proper competitive level or against anyone who knows what they're doing.
1) A slightly larger roster of usable characters - Magneto, Sentinel, Storm, Psylocke, Doom, Cable, Captain Commando as your top tier, then Iron Man, Tron, Juggernaut, Cyclops, maybe one or two others. Maybe twice this roster size as the absolute maximum - but MSP and MSS are extremely dominant.
The thing is, this isn't really a plus if you don't like or play any of those characters, as I don't. So for me, Marvel 2 is basically unplayable on a proper competitive level or against anyone who knows what they're doing.