| Issue | #21 |
| Published | April 1986 |
| Frequency | monthly |
| Cover Price | 1.50 USD; 2.00 CAD |
| Pages | 36 |
| Editing | Karen Berger |
| Characters | Legion of Super-Heroes [Timber Wolf; Star Boy; Shrinking Violet; Lightning Lass]; Emerald Empress; Persuader; Hunter; Titania; Cosmic King |
| Genre | superhero |
| Pencils | Greg LaRocque (signed) |
| Inks | Larry Mahlstedt (signed) |
| Characters | Legion of Super-Heroes [Brainiac 5; Element Lad; Quislet; Lightning Lass; Shrinking Violet; Timber Wolf; Colossal Boy; Chameleon Boy; Star Boy; Sensor Girl [Projectra]; Ultra Boy; Mon-El; Shadow Lass; Phantom Girl]; Sun Emperor; Persuader; Titania; Hunter; Chameleon Chief; Shvaughn Erin; Computo; Emerald Empress |
| Genre | superhero |
| Script | Paul Levitz |
| Pencils | Greg LaRocque |
| Inks | Larry Mahlstedt; Mike DeCarlo |
| Colors | Carl Gafford |
| Letters | John Costanza |
| Characters | Legion of Super-Heroes [Quislet; Wildfire] |
| Genre | superhero |
| Script | Paul Levitz |
| Pencils | Paris Cullins |
| Inks | Gary Martin |
| Colors | Carl Gafford |
| Letters | John Costanza |
| Notes | Surprise cameo: Quislet takes the form of Astro Boy on page 4. |