Found this on Yahoo
Iron Man 3" premiered exclusively on Yahoo! Movies on Tuesday morning, and it reveals that Tony Stark, played for the fourth time by Robert Downey Jr., has been busy indeed. Not only does he have a new technology that allows him to control his super-powered armored suit using only his mind,
http://movies.yahoo.com/blogs/movie-talk/exclusive-iron-man-3-trailer-shows-tony-stark-164716198.html