Iron Man (1968) #263
Read NowCharacters
Wounded, captured and forced to build a weapon by his enemies, billionaire industrialist Tony Stark instead created an advanced suit of armor to save his life and escape captivity. Now with a new outlook on life, Tony uses his money and intelligence to make the world a safer, better place as Iron Man.
Simon Williams agreed to undergo an experiment to give him superhuman powers, and Baron Zemo gave him the costumed guise of Wonder Man, warning Simon that he would die without further treatments from Zemo in order to ensure his loyalty, but Simon betrayed Zemo to the Avengers and ultimately joined their ranks.