Justin Hammer

Justin Hammer is a villain, biggest rival of Tony Stark/Iron Man. He appeared in Iron Man 4 and Iron Man 5.

Biography
Justin Hammer was put in the Seagate Prison during the events of Iron Man 2.

Iron Man 4
Justin Hammer saw that The Mandarin was put in the cell before him. They started working together. Later Carl Creel, a criminal also joins them. They all want to kill Tony Stark. During a fight, The Mandarin killed the other prisoner called Eric.

Later Justin Hammer was freed by The Mandarin, who was freed by M.O.D.O.K.. After a fight with guards and War Machine, they all escaped.

Justin Hammer and Carl Creel were waiting for what The Mandarin would do. Later they heard that he was killed and they were both very angry.

Iron Man 5
To be added

Allies

 * The Mandarin - partner and savior
 * Carl Creel - partner
 * M.O.D.O.K. - savior

Enemies

 * Tony Stark/Iron Man - Most hated man and rival
 * War Machine