Why isn't this character Pike? He's the one who suffers directly in the first film, and would understandably respond the way Marcus does given the events that take place.
That is what I always said about Count Dooku. Why isn't Dooku character QuiGon Jin? QuiGon going to the dark side would have put ObiWan in the middle of both his master and his apprentice going to the dark side. QuiGon was a waste of a character.