Justin Hammer (Marvel Cinematic Universe)

Justin Hammer is a business rival of Tony Stark and the secondary antagonist of Iron Man 2.

Portrayed by Sam Rockwell.

History
In this version, Justin Hammer was portrayed a little different comparing the comic book version; Justin appears to be younger than Tony Stark instead of being older, he whines when he doesn't get his way and appears to be less intelligent. Justin Hammer is one of Stark's rivals. He owns Hammer Tech; a company that makes weapons. Justin has been trying to create an exact replica of the Iron Man armor but in the process injured just about everyone who tries the suit. After he witness Iron Man fight Whiplash, he was impressed with Whiplash and planned to break him out of prison, while at the same time place a fake Whiplash to take his place so they can perform a fake death. Hammer and Whiplash made a deal with each other that if Ivan made a huge amount of Iron Man armor, they will put an end to Stark's career. What Hammer didn't know is that Whiplash was planning to turn against Hammer and destroy Stark with the same armor. When SHIELD found out that Justin helped Whiplash escape, they arrested him for helping a prisoner escape.