I'm wondering how Extremis will fit into the established Iron Man movie mythos.
It could be some scientist experimenting on himself(Guy Pearce) instead of a skin head from the Extremis arc
What's known so far
-Tony is alone. No Avengers back up
-Something to do with China
-Third movie loosely based on "Extremis" arc
-On Leno, RDJ said the Iron Man suit would be more flexible