Superman: Unbound his drones attacking a planet. Though he attempts to stop them, Superman witnesses Brainiac capture the planet's capital like he did with Kandor before firing a Solar Aggressor missile to consume the planet in its exploding sun. The explosion knocks Superman unconscious and he is brought on board Brainiac’s skull shaped, tentacled ship. Coming to in the examination room, he fights his way through the vessel before he discovers a room full of bottled cities prior to being attacked by Brainiac. At this point, confirming that he spared Krypton because of its eventual destruction, Brainiac is shown that he has
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