This is Doug Johnson III, a pilot of the Detroit Steel armor. He underwent surgical modifications to operate the armored suit. He is part of Hammer Industries, led by Justine Hammer and Sasha Hammer, who not only wish to avenge Tony Stark for the death of their patriarch, Justin Hammer, but also see Stark as an obstacle to their Detroit Steel product Okay, Iron Man / damn self-centered Stark, I'll prepare for your day of reckoning!