Anyone heard of Marvel vs. DC MUGEN?

[sickining]

I'm terribly sorry if this has been brought up before, but I think it's a noble effort. This is not my video btw, in fact I don't even have MUGEN downloaded to my comp. I own a Mac
http://www.youtube.com/watch?v=pjsr0BnfCXU&search=marvel%20vs.%20dc
Credit goes to the fans who made this...