Justin Hammer first appeared in Iron Man #120 (March 1979), and was created by David Michelinie, John Romita Jr., and Bob Layton. Layton himself recalled in a 2014 interview that he and Michelinie originally created Hammer as … 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 … See more

Earth X
In the Earth X reality where a Terrigen epidemic mutates most of the world population, Hammer … See more

• Justin Hammer at Marvel.com
• Justin Hammer at Marvel Wiki
• Justin Hammer at Comic Vine 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 methods whilst using his company 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

Television
• Justin Hammer appears in Iron Man (1994), voiced by Tony Steedman in the first season and See more