Originally Posted by Shikamaru
^ Actually, it wasn't really a Marvel thing. At least not overall. it was entirely Shane Black's idea. Favreau's original plan was to have a Mandarin closer to Kingsley's Mandarin (as the real Mandarin, that is). Later concepts after he left the franchise went back to a similar concept until Shane Black came in and brought in the idea of the twist.
I am just stating what if it was Marvel's idea to let Shane Black do the twist knowing that they could do a second twist later for the "Real Mandarin", and catch audiences off guard a second time. I guess we will see what happens.