Two teaser trailers for Zack Snyder’s (and co-writer/producer Christopher Nolan) Superman reboot have arrived online, featuring identical shots but different voiceovers. The first one was from Superman’s real father Jor-El, played by Russell Crowe and another by his adoptive farmer father Pa Kent, played by Kevin Costner. Watch the two trailers below. (Russell Crowe voice - Kevin Costner voice)