Tony Stark is an inventive genius.Inheriting Stark Industries,he developed weapons for the United States to use in an oversea war(vietnam at the time of his creation).While field testing an invention,he stumbled over a trip wire which caused a mine to explode.Captured by the enemy,a vicious overlord named Wong Chu,he learned that a piece of metal shrapnel was moving closer to his heart.Instructed by Wong Chu to develop weapons for his army,Tony Stark was partnered with Yinsun who himself was a genius.Together they built a fantastic suit of armor that would halt the shrapnel that endangerd Stark & also give him a means of escape.Nearing completion & only needing a power charge,Wong Chu finds out what the two prisoners were up to & sent guards to seize the armor.Giving Tony Stark the vital minutes needed,Yinsun sacrifices himself.Tony Stark then unleashes massive whoop-ass on Wong Chu & heads home to the U.S. where he becomes the hero known as.......IRON MAN!!!