Warner Bros. has revealed a second, alternative trailer for Guillermo del Toro's sci-fi epic Pacific Rim, which pits massive monsters known as Kaiju against gigantic piloted robots known as Jaegers. This latest footage was part of a CES presentation by Qualcomm in Las Vegas, where the director was in attendance. Watch as new footage reveals more of the struggle between humans and monsters, as the fate of our world hangs in the balance.