CB - In a way, John Carter is kind of a superhero. Unlike the native people of Mars, who have spent their entire lives experiencing the red planet's low gravity, Carter has the ability to leap huge distances without breaking a sweat. But if the protagonist is a superhero, that means that Andrew Stanton's John Carter will be serving as an origin story. So how exactly did he end up on Mars? That question is answered in the new international trailer...kind of.