The Mandarin returns to his castle, discovering that it has again been destroyed. After rebuilding it, the Mandarin attempts to capture Iron Man with his teleportation devices, but once again catches someone else clad in his armor. This time it is Michael O'Brien, later to become a friend of Stark's and the second man to wear the Guardsman's armor. Iron Man flies to O'Brien's rescue, clad in an older armor, saves O'Brien, thwarts the Mandarin's attempt to bomb the United States, and for a second time bests him in personal combat and then destroys his castle again. Perhaps due to the effect of the Mandarin's mental domination ring on him, Iron Man does not take the Mandarin into custody, but allows him to remain free.