| Issue | #20 |
| Published | September 1973 |
| Cover Price | 0.20 USD |
| Pages | 36 |
| Editing | Roy Thomas |
| Notes | Letters credit from Marvel Comics Index No. 8B by George Olshevsky. |
| Characters | Killraven; War-Lord |
| Genre | Science Fiction |
| Pencils | Herb Trimpe (signed) |
| Inks | Herb Trimpe (signed) |
| Letters | Gaspar Saladino |
| Notes | Letters credit from Marvel Comics Index No. 8B by George Olshevsky. |
| Reprinted | in Essential Killraven (Marvel, 2005 series) #1 [black & white] |
| Characters | Killraven; M'Shulla; Hawk; Arrow; I: Old Skull (cameo, not named until next issue); V: The Warlord (Intro); Martian Master 4 (Intro) |
| Genre | Science Fiction |
| Script | Marv Wolfman |
| Pencils | Herb Trimpe |
| Inks | Frank Giacoia |
| Colors | Glynis Wein |
| Letters | John Costanza |
| Notes | Letters credit from Marvel Comics Index No. 8B by George Olshevsky. First appearance of Old Skull (in a cameo, not named until next issue). |
| Reprinted | in Essential Killraven (Marvel, 2005 series) #1 [black & white] |