The Nano Iron Man Armor was developed by Tony Stark after founding Stark Unlimited. When the Controller used a Control Disk to send Fin Fang Foom to attack Manhattan, Iron Man initially confronted him using the giant-sized Fin Fang Foombuster. When the suit failed, he created an opening in the creature's hide and fired a pod carrying a swarm of Nano Iron Man Armor in order to deploy them into his bloodstream so he could investigate his uncharacteristic behavior.
Tony initially only remotelly-piloted a single nanobot, since he hadn't figure out a way to make them properly work in tandem. With Andy Bhang's help, Stark solved the issue and managed to have the entire swarm follow his lead in order to fight off Foom's antibodies and reach his brain stem. After stumbling upon the Control Disk, Tony used the lead nanobot to destroy it.
After Tony became molecularly bonded to his Ultronbuster Armor in an accident while fighting Ultron Pym, he piloted one of the Nano Armor into his own body as part of the preparations for a separation process designed by Stark Unlimited expert Dr. Shapiro, which required him to tag with ionic energy all the mechanical parts to the phased out of his body.
The Nano Iron Man Armor is microbot piloted remotely by its user. It is capable of firing both repulsor blasts and channeled repulsors. Through a lead nanobot which provides the rest a beat to syncopate to, a thousand of these micro-suits work in tandem. The suit is also equipped with speaker systems. In order to help prepare Tony's body for a separation procedure when he became molecularly fused to his armor, the Nano Armor was modified to be able to permeate ionic energy.
- The numerical designation provided in this article for this suit is tentative, based on the last officially numbered armor (Model 52) and the chronological appearance of this suit.
- 2 Appearances of Iron Man Armor Model 58
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