Justin Hammer first appeared in Iron Man #120 (March 1979), and was created by David Michelinie, See more

Justin Hammer was born in Surrey, England and later became a citizen of Monaco. A rival of industrialist Tony Stark (Iron Man), multi-billionaire businessman Hammer later became a criminal financier through unethical m… See more

Justin Hammer is a normal, middle-aged man. He has a degree in commerce and business, and is an extremely efficient administrator with a genius-level intellect. He has access to various forms of advanced t… See more

Justin is later revealed to be the father of Justine Hammer and the grandfather of Sasha Hammer who have each run Hammer Industries in his absence. See more

In the Earth X reality where a Terrigen epidemic mutates most of the world population, Hammer is murdered by Norman Osborn on his rise to being President of the United States.
The … See more