Best place to find matches for all Marvel vs games on Xbox 360?

Matchmaking section is dead. Where on the Internet can I post to a community that will allow, and where people will actually see my request? Umvc3 friends would be great, but I’ve never played origins or mvc2 against other living humans online, so I’m mostly looking for people who’d be up for some games occasionally. Any ideas? Here on srk or another board.