Whiplash

Anton Igorevich Vanko (Russian: Антон Игоревич Ванко) was a young scientist from a small Russian village by the name of Volstok. One day, the village was attacked by someone wearing a stolen battlesuit of Iron Man Armor who murdered a number of the townspeople, including Vanko's father in an attempt to frame Tony Stark for the crime. Using a specialized rifle, Vanko was able to shoot the impostor just before he fled, causing the chest plate on the armor to come off. Vanko became obsessed with exacting vengeance on Stark, still believing him to be the man who attacked his village, and decided to use the chest plate to fashion a suitable weapon to do so.