Marvel Comics has released the official trailer of Iron Man 3. Fans of Iron Man has to wait till May 3 2013 to watch the movie. You can also watch the trailer on Facebook page of Iron Man. One interesting point, the Logo of Apple on the right hand side of the above picture.
As it is clear from trailer that Tony Stark/Iron Man will head to China to face his toughest opponent, Mandarin played by Ben Kingsley.