He’s a fighter. Mickey Rourke, the Golden Globe winner and Oscar-nominated star of The Wrestler, is ready to prove his might isn’t just for the big screen. “Now, Vince [McMahon] wants me to do WrestleMania in Houston,” he told Extra at the SAG Awards last night. “You better get yourself in shape, brother,” he warned wrestler Christ Jericho. “I'm going to do it!” he confirmed.