Complex sentence: His death in the book is very different from that in the film: in the book, he is presumably killed by Cato and finishes fifth overall; however, in the film, he is the first victim of the Mutts, and finishes fourth overall.
Split into simpler sentences: His death in the book is very different from that of the film. In the book, he is presumably killed by Cato, finishing fifth overall; however, in the film he is the first victim of the Mutts, finishing fourth overall.