| 0 | - | cover | 1 | pencils: Lou Fine; inks: Lou Fine | Electro [Jim Andrews] |
| 1 | Origin of the Eagle | comic story | 8 | pencils: Emil Gershwin; inks: Emil Gershwin | The Eagle [Bill Powers] (first appearance, origin); Jason (first appearance); The Purple Gang (first appearance, villains) |
| 2 | The Origin of Electro | comic story | 12 | pencils: Bob Webb; inks: Bob Webb | Electro [Jim Andrews] (first appearance, origin, becomes Dynamo in next issue); Saunders (first appearance); the President's daughter (first appearance); The Gerlandians (first appearance, villains) |
| 3 | The Fang Men of Jupiter | comic story | 7 | pencils: George Tuska; inks: George Tuska | Cosmic Carson (first appearance); Roland (first appearance); Fang Men of Jupiter (first appearance, villains, one dies); Okal |
| 4 | The Space Slavers | comic story | 8 | pencils: Arnold Haney | Perisphere Payne (first appearance); Villon (first appearance, villain, death) |
| 5 | - | activity | 1 | | |
| 6 | - | activity | 1 | | |
| 7 | Origin of Marga, the Panther Woman | comic story | 8 | pencils: Emil Gershwin; inks: Emil Gershwin | Marga [the Panther Woman] (first appearance, origin); Von Dorf (first appearance, villain, death); Ted Grant (first appearance, not DC's Wildcat!) |
| 8 | Death on the Air Waves | text story | 2 | script: Rodney Weems | Jeff Stone; Dick Gordon; Maxwell |
| 9 | The Shrinking Serum | comic story | 8 | pencils: Richard Crater | Dr. Doom (first appearance, villain); Jan Swift (first appearance); Wanda (first appearance) |
| 10 | Origin of Navy Jones | comic story | 8 | script: Bert Whitman; pencils: Bert Whitman; inks: Bert Whitman | Navy Jones (first appearance, origin); King of a sub-sea people (first appearance); Princess Coral (first appearance); The prime minister (first appearance, villain) |