| Issue | #134 |
| Published | January 1960 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman [Clark Kent]; Kull-Ex |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | In Showcase Presents Superman (DC, 2005 series) #2 |
| Characters | Perry White; Jimmy Olsen; Lois Lane; Kull-Ex (disguised as Superman, Villain, Intro) |
| Synopsis | Superman has gone crazy, causing unnecessary damage whenever he performs a super-feat. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | In Showcase Presents Superman (DC, 2005 series) #2 |
| Characters | Lois Lane; Superman [Clark Kent]; Bottle City of Kandor; Fortress of Solitude; Kull-Ex (also as Superman); Zell-Ex (Flashback); Jor-El (Flashback); Jimmy Olsen (Cameo); Perry White (Cameo) |
| Synopsis | Kull-Ex has tricked Superman into switching places, trapping Superman inside the Bottle City of Kandor while Kull-Ex roams the Earth, causing destruction while dressed as Superman. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | In Showcase Presents Superman (DC, 2005 series) #2 |
| Characters | Superman [Clark Kent]; Kull-Ex (also as Superman); Superman Robots; Bottle City of Kandor; Fortress of Solitude; Supergirl [Kara Zor-El] (Brief origin recap); Zor-El (Flashback; Cameo); Alura (Flashback; Cameo); Krypto |
| Synopsis | Supergirl rescues Superman from Kandor and with the help of Krypto the three defeat Kull-Ex and return him to Kandor. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Notes | This is Supergirl's first appearance in the Superman series. |
| Reprinted | In Showcase Presents Superman (DC, 2005 series) #2 |