Superboy in "The Superboy who Wasn't"
(Story continued from last issue.)
Superboy is attacked by his parents, who are under the mental control of Lester Wallace, who it turns out is under the control of a Phantom Zone prisoner, Zan-Em.
Superboy is sent to the Phantom Zone, where he discovers that Zan-Em has been secretly dosing Superboy with Phantom Zone rays which has weakened his powers.
Zan-Em then attempts to escape from the Zone, Superboy however escapes himself and convinces Wallace to exile himself to the Phantom Zone.
Eclipso in "He who Survives--!"