Just a quick update here to let you know Capcom posted the actual address for the upcoming Marvel vs Capcom 3 Fight Club.
Marvel vs. Capcom 3 - Fight Club
Wednesday, September 22nd
437 N Wolcott Ave
Chicago, IL 60622
They mention to get there early because there will be plenty of give aways, and this has been the case at previous fight clubs as well. Here's a small peice from the Unity blog talking about the giveaways and the build of Marvel that will be playable: