That would be Caspian and Peter fighting. I still don't get why they would be since they never did in the book. In the book Caspian looked at Peter with awe, reverence, wonder, and a sense that he just met the biggest celebrity ever. He held Peter in high regard. Before the Pevensies got there Caspian had made several mistakes with battles and Peter came in and started setting things right. He started showing Caspian how to be a real king. I don't know what the characters will be portrayed like in the film. I'm getting the idea that Caspian is more full of himself rather than a younger man with a learning heart. Caspian wasn't supposed to get that cockey till Voyage of the Dawn Treader...but he was never that way with Peter. We'll have to wait and see what's done with them in the film. Peter's character was greatly weakened in the first film and drastically altered as well. Who knows what will happen this time.