Batman at the L.A. Batman Live Premiere on Thursday Sept. 27, 2012, at STAPLES Center in Los Angeles. (Photo by Todd Williamson/Invision for Warner Bros./AP Images)

Batman and Catwoman pose at the L.A. Batman Live Premiere on Thursday Sept. 27, 2012, at STAPLES Center in Los Angeles. (Photo by Todd Williamson/Invision for Warner Bros./AP Images)

A general view of the atmosphere at L.A. Batman Live Premiere on Thursday Sept. 27, 2012, at STAPLES Center in Los Angeles. (Photo by Todd Williamson/Invision for Warner Bros./AP Images)

Jack Walker as Batman at the L.A. Batman Live Premiere on Thursday Sept. 27, 2012, at STAPLES Center in Los Angeles. (Photo by Todd Williamson/Invision for Warner Bros./AP Images)

Batman takes on his nemesis The Joker during the L.A. Batman Live premiere on Thursday Sept. 27, 2012, at Staples Center in Los Angeles. (Photo by Todd Williamson/Invision for Warner Bros./AP Images)