Superman & Captain Comet By DC #91 Comic Book 1986 But What Turns Him Evil ? !

Comes with protector sleeve .

Rare & hard to find comic book !

Perhaps it was destiny that made young Kal-El of Krypton become Superman, also known as the Man of Tomorrow.   Tomorrow is where Adam Blake of Earth got his powers, being a mutant with mental powers born 100,000 years before his time under the light of a comet, so he became the Man of Destiny, Captain Comet.