Back To The Future Part II honored the franchise’s past while paving the way for the third installment, but one cut detail would have provided better foreshadowing for the upcoming villain. Despite there only being three of them, the Back To The Future movies had sprawling timelines that were always in flux. That was just as true behind the scenes as on screen. Eric Stoltz was almost Marty McFly, the Jennifer character was recast twice, and there was a wealth of deleted scenes.