Iron Man: MK1
Artist: Jack Kirby, Don Heck
It may have only lasted for a single issue (Tales of Suspense #39), but that's some sustainable metallurgy right thurr. We're cool with the red and gold but if he went back to proto-wear and its crazy Plan 9 From Outer Space overtones we'd be as mad as Tony Starks tearing into a delicious flame-broiled, Burger King Whopper sandwich with a refreshing Burger King fountain soda. As in, not mad at all.