Action Comics #403

1. Attack of the Micro-Murderer. When Superman chases a bank robber fleeing in a helicopter, the chopper crashes and he discovers that the thief's body is inhabited by a Zohtt, a magical alien being. The Zohtt threatens to summon Superman to the future for another encounter. Later, Superman does indeed get summoned to the year 3486, where the Zohtt manages to infect him with a super-virus. In an attempt to rid himself of the virus, Back in 1971, Superman enlists the aid of the people of Metropolis in getting vast quantities of blood for a transfusion. When this fails to work, Superman goes to a distant, lifeless world so that when he dies, the Zohtt will have no other body to inhabit so it will die too. However, Superman has tricked the Zohtt into entering an android, where it is trapped.2....