Trailer! The Sci-Fi Thriller 'John Carter'

Based on the bestselling novels, "John Carter" revolves around a Civil War vet ("Friday Night Lights" star Taylor Kitsch) who is transplanted to Mars -- a lush, wildly diverse planet inhabited by 12-foot green barbarians. Finding himself a prisoner of these creatures, he escapes, only to go back to rescue a princess.

Check out the trailer!

"John Carter" lands in theaters in 2012.