| Issue | #8 / 511 |
| Published | Early May 2010 |
| Frequency | monthly |
| Cover Price | 3.99 USD |
| Pages | 44 |
| Editing | Matt Idelson (Editor); Wil Moss (Assistant Editor) |
| Notes | Indicia reads: Adventure Comics #8/Adventure Comics #511 (Variant Cover). |
| Characters | Legion of Super-Heroes [Sensor Girl; Tellus; Starman [Thom Kallor]; Element Lad; Timber Wolf; Dawnstar; Lightning Lad; Brainiac 5] |
| Genre | superhero |
| Pencils | Francis Manapul (signed) |
| Inks | Francis Manapul (signed) |
| Colors | Brian Buccellato |
| Letters | typeset |
| Characters | Legion of Super-Heroes [Element Lad; Cosmic Boy; Dawnstar; Timber Wolf; Wildfire; Lightning Lass; Brainiac 5; Mon-El; Tellus]; Superboy [Conner Kent]; Sam Lane; Car-Vex; Brainiac; Krypto |
| Genre | superhero |
| Pencils | Aaron Lopresti (signed) |
| Inks | Aaron Lopresti (signed) |
| Colors | Hi-Fi Colour Design |
| Letters | typeset |
| Notes | Incentive cover shipped in 1:10 ratio to standard cover. Cover is an homage to the cover of Adventure Comics (DC, 1938 series) #300. |
| Characters | Legion of Super-Heroes [Brainiac 5; Timber Wolf; Lightning Lass; Cosmic Boy; Wildfire; Dawnstar]; Brainiac 4; Superman (cameo); Brainiac (cameo) |
| Synopsis | The Legionnaires respond to a chronal rift in space that Brainiac 5 traces to his ancestor's fight with Superman 1,000 years in the past. |
| Genre | superhero |
| Script | Sterling Gates |
| Pencils | Travis Moore |
| Inks | Julio Ferreira |
| Colors | Pete Pantazis |
| Letters | Steve Wands |
| Characters | Superboy [Conner Kent]; Krypto; Martha Kent; Legion of Super-Heroes [Element Lad [Mr. Janson]; Chameleon Boy; Sensor Girl; Matter-Eater Lad; Quislet; Tellus; Starman]; Mon-El; Guardian (cameo) |
| Synopsis | After Element Lad reveals himself to Superboy, Conner brings Mon-El to a gathering of all the Legionnaires living in the 21st century. The Legionnaires tell Superboy and Mon-El about their secret mission in the past to save the future and then they all head off to New Krypton. |
| Genre | superhero |
| Script | James Robinson |
| Pencils | Julian Lopez |
| Inks | Bit |
| Colors | Pete Pantazis |
| Letters | Steve Wands |
| Notes | Story continues in Superman: Last Stand of New Krypton (DC, 2010 series) #1. |
| Characters | Car-Vex [Romundi]; General Sam Lane; Jax-Ur; Quex-Ul; Sgt. Cloud; Lois Lane (in photo); Lucy Lane (in photo); Dominators |
| Synopsis | How Car-Vex went from the Phantom Zone to Zod's sleeper agent within General Lane's Project 7734. |
| Genre | superhero |
| Script | Eric Trautmann |
| Pencils | Pier Gallo |
| Inks | Pier Gallo |
| Colors | Blond |
| Letters | Steve Wands |
| Notes | "Special thanks to Dan Foster" |