Blizzard Gregor Shapanka: In pursuit of immortality, scientist Gregor Shapanka developed a suit that could generate extreme cold. He committed crimes as Jack Frost, and he later fought Iron Man as the Blizzard, while working for Justin Hammer.

Mandroid: The Mandroid armor was developed as heavy support for SHIELD ground troops. Tony Stark helped design the original suit, but subsequent models have seen combat against the Avengers, X-Men and the Incredible Hulk.