Originally Posted by ultimatereserve
I dont think hes going to be inside of that Iron Patriot suit. Its someone else
If this ends up being the case, I would imagine that the film's events lead Tony to believe that it's Rhodey in the armor. A fair amount of the promotional material has shown them together, and aside from Pepper, Rhodey is the only one I think Tony would trust standing next to him in one of those armors.
Since it's being officially billed as a "Techno-crisis thriller", some degree of misdirection should be expected.