User blog comment:James12708/Possibility of a Mass Effect 4/@comment-50.133.149.46-20130126064601/@comment-50.133.149.46-20130126083407

The or more being that the twist the known actions to fit their core ideals or goals.

For an example I go to The Lost Fleet in this story, not the concept if I am miss-phrasing, John Geary wakes up after 100 years in stasis, inside an escape pod, to find out that he has been turned into a hero and that his last recorded transmission has been used to form the basis of his nation's primary military strategy "Close with the enemy."

I am not saying that Shepard needs to return but with this element part of the game could be studying the past to learn about the true Shepard by finding lost archives, this being where past saves come in to flesh out the back story, maybe having character say "oh that's how that formed," When you find something.