Sylvester Stallone and Arnold Schwarzenegger | 38

In the '80s, Stallone and Schwarzenegger duked it out for the title of action king with a mix of box office showdowns, role-snatching escapades, and epic shade-throwing contests. Their rivalry was more than just muscle-flexing; it was a chess game in which Arnold once duped Stallone into starring in a film flop. After years of psychological warfare, how did these two go from fierce rivals to the ultimate action hero bros? See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.