Ender's Game is one of my favorite books (also read Ender's Shadow) but I am not getting my hopes up for the movie. The only way the movie would work would be to make it Rated R but I'm pretty sure it's going to be PG-13.
He killed 2-3 kids in pretty gruesome fashion in the book but they will change that for the movie. They will probably pussy it down to like Hunger Games or something.
My name is Nicky, but you can call me Dre.