UHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
"When Marvel vs. Capcom 3 releases in just under two weeks, the game will not have spectator mode. Players in player matches with lobbies of up to 8 people will not be able to watch the game taking place as they wait their turn."
This from some dude playing a non-retail build, but if that is in the final game then WTF.