| Issue | #0 |
| Published | April 2009 |
| Cover Price | 1.00 USD |
| Pages | 36 |
| Editing | Elisabeth V. Gehrlein; Sean Ryan (Associate Editor) |
| Notes | The cover is an homage to Adventure Comics (DC, 1938 series) #247. On the original cover and in the original story (reprinted inside this issue) Lightning Lad is called Lightning Boy. Also on this new cover the Legionnaires are in variations of their more familiar classic costumes, not the costumes they wear in the story reprinted in this issue. |
| Characters | Cosmic Boy; Lightning Lad; Saturn Girl; Superboy |
| Genre | Superhero |
| Pencils | Aaron Lopresti (signed) |
| Inks | Aaron Lopresti (signed) |
| Colors | Brian Miller (signed) |
| Letters | typeset |
| Notes | The cover is an homage to Adventure Comics (DC, 1938 series) #247. On the original cover and in the original story (reprinted inside this issue) Lightning Lad is called Lightning Boy. Also on this new cover the Legionnaires are in variations of their more familiar classic costumes, not the costumes they wear in the story reprinted in this issue. |
| Characters | Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl]; Jonathan Kent (cameo) |
| Synopsis | Three teens from the future offer Superboy membership in their super-hero club. But when Superboy fails to complete three simple tasks, the Legionnaires pretend to reject him, until they reveal that the three tasks were merely initiation pranks which proved he is a good sport. |
| Genre | Superhero |
| Script | Otto Binder |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Editing | Mort Weisnger (Original Editor) |
| Notes | Reprint of the first appearance of the Legion of Super-Heroes. Lightning Lad is called Lightning Boy in this story. Several other unidentified Legionnaires appear in the story, including one colored to imply he is Brainiac 5. The Legionnaires are not yet in their classic costumes in this story. |
| Reprinted | from Adventure Comics (DC, 1938 series) #247 |
| Characters | Scar; Lex Luthor; Brainiac; Superboy [Conner Kent] |
| Synopsis | As Scar reviews The Book of the Black, she thinks about Lex Luthor. Lex, assigned by General Lane to try and unlock the secrets in Brainiac, believes he has control over the villain, but Brainiac surprises Lex by re-activating and declaring that now they will be working together as a team. Only Scar knows that Luthor will be saved from this alliance with Brainiac by the currently deceased Superboy. |
| Genre | Superhero |
| Script | Geoff Johns |
| Pencils | Francis Manapul |
| Inks | Francis Manapul |
| Colors | Brian Buccellato |
| Letters | Steve Wands [as Swands] |