Leon Spinks vs. Muhammad Ali II John Tate and Gerrie Coetzee for the vacant WBA title. "We knew Muhammad Ali was going to retire," Arum said, "but as long as he delayed, I couldn't make definite plans." However, in October 1980 Ali returned to face WBC Champion Larry Holmes but was stopped by TKO in the 10th round. He then retired for good after a lackluster loss to Trevor Berbick in December 1981, thus making this fight the final win in Ali's career. Leon Spinks vs. Muhammad Ali II Leon Spinks vs. Muhammad Ali II, was a professional boxing match contested on September 15, 1978 in
Superman vs. Muhammad Ali as the obvious choice. Intrigued, Rat'Lar decides that Superman and Ali should fight one another to see who really is Earth's champion. To make the fight fair, he decrees that the match should take place on his home planet, Bodace, which orbits a red star (which temporarily robs Superman of his powers). The winner would simply be the best boxer. The two would-be champions decide that Ali will train Superman in the finer points of boxing. They journey to Superman's Fortress of Solitude to have his powers temporarily deactivated, and to use a time warping device to extend Rat'Lar's 24-hour