Once a frail and failing man within the unstoppable armor he wore, Tony Stark at one time hid his faults behind the intimidating façade of the Iron Man armor. Over the years, as his strength of will increased and his body recovered from the injuries it had sustained, he turned into one of the most certain and steadfast heroes in the world. Now, his body enhanced with the Extremis virus, he has fully become the Iron Man, incorporating the mighty weapon systems of the armor directly into his nervous system.