User blog comment:NeverCompromiseTheBrotherhood/Assasin's Creed movie?/@comment-4809391-20120220100439/@comment-1153722-20120220104911

Completely new characters would make sure that the story isn't cropped down and ruined, just so it can fit in a movie. Ubisoft wants their material to be canon, so their best move would probably be a completely new storyline.