Metal Man

Metal Man is a superhero from Universe 2.

Biography
Robert Mercer was born in 1923. He inherited his father's weapons manufacturing company, Mercer Industries, after his parents died in a car accident. In 1963, while selling weapons to American soldiers in Vietnam, he was caught in a booby trap and captured by Viet Cong.

He had to be outfitted with a magnetic chest to keep shrapnel from reaching his heart. The Viet Cong forced Mercer to build weapons for them but he secretly build a suit of power armour to escape.