Superman #150

This extra-sized battle marks a turning point in the life of the Man of Steel! Alien gladiators have been recruited to come to Earth to face the Last Son of Krypton in no-holds-barred combat. Now, as Vartox and two other intergalactic brawlers take the battle to Superman's hometown of Metropolis, the mastermind behind the plot is revealed! How will Superman emerge victorious from pitched battle and then defeat…Brainiac 2.0?

Characters: Brainiac, Emil Hamilton, Jimmy Olsen, Lana Lang, Lois Lane, Pete Ross, Superman, Vartox