Topless Robot:
In his 40-odd years of heroing, Iron Man has faced off with hundreds of opponents -- from Commies to capitalists to corporate spies. But just as Spider-Man has fought an inordinately large number of villains dressed as animals, the high-tech hero has fought dozens upon dozens of science-based foes, many of which can go toe-to-toe, and circuit-to-circuit with ol' Shellhead.
