No, just vaguely familiar with what happens in it. Doesn't the suit become something he can willfully activate and it like comes out of bones or something rather than being, well, a suit? I think that sort of diminishes the "every day man becoming a hero" thing.
Extremis pushed the "iron man and stark are one" idea even further
The nano bots emerge from inside his bones to form the undersheath
Stark then wills the ironman parts to his body