| Issue | #20 |
| Published | October 1973 |
| Frequency | Bi-Monthly |
| Cover Price | 0.20 USD |
| Pages | 36 |
| Editing | Roy Thomas |
| Characters | Ka-Zar; Zabu; Victorius; Barbara Morse |
| Genre | Jungle |
| Pencils | John Romita |
| Inks | John Romita |
| Letters | Morrie Kuramoto |
| Notes | Letters credit from George Olshevsky's Marvel Comics Index #7B. |
| Characters | Ka-Zar; Zabu; Barbara Morse; Victorius [Professor Victor Conrad] (Origin, Villain); Gemini [Damian Link with Joshua Link's mind controlling] (Villain); Lord Plunder (Villain, Plunderer); AIM; Nick Fury (Guest Appearance); Professor Victor Conrad (Flashback); Dr. Wilma Calvin; Damian Link; Joshua "Whitey" Link |
| Synopsis | The fight between Ka-Zar and Victorius continues with Victorius momentarily stopping Ka-Zar. Zabu distracts Victorius until Ka-Zar recovers. Ka-Zar again refuses to take the super-soldier serum, this time destroying it. He then defeats Victorius. Professor Wilma Conrad refuses to make another batch of the super-soldier serum. Ka-Zar leaves Barbara Morse to return to the Savage Land. |
| Genre | Jungle |
| Script | Mike Friedrich |
| Pencils | Marie Severin; Werner Roth |
| Inks | Frank Giacoia |
| Colors | Marie Severin |
| Letters | June Braverman |
| Notes | This story is continued in KA-ZAR (Marvel, 1974 series) #1 (January 1974). |
| Characters | Nebbish |
| Genre | Humor |
| Script | ? (promo copy) |
| Pencils | Marv Wolfman |
| Inks | Marv Wolfman |
| Notes | Promo for the first issue of Crazy Magazine featuring Nebbish blowing up Crazy Magazine #1, appears between pages 13 and 14 of the story sequence. |
| Script | ? (promo copy) |
| Letters | Typeset |
| Notes | Items about the new magazine Crazy which goes on sale July 10 and has an ad specially designed by Marv Wolfman in this issue, the Son of Satan premieres this month picking up where Ghost Rider left off in the pages of Marvel Spotlight and guest starring the Ghost Rider (written by Gary Friedrich and drawn by Herb Trimpe), the Recorder crosses over from Thor and into Warlock, Kraven crosses over into Daredevil, Dr. Spectrum crosses over from the Avengers into Iron Man, Spider-Man and Sub-Mariner clash in Marvel Team-Up, an apology for misreporting the cost of The Haunt of Horror as 60 cents instead of 75 cents, the increase of Monster Madness to 75 cents but a bigger bargain with more pages and Tony Isabella working on it and Savage Tales #2 is now on sale with work by Roy Thomas, Barry Smith, John Buscema, Gil Kane, Frank Brunner and Al Williamson. |
| Script | ? (promo copy) |
| Letters | Typeset |
| Notes | Advertisement for a subscription to FOOM describing what is included (a 22" x 28" poster, a membership card, a fistful of stick-ons, full year's subscription to FOOM magazine and a special surprise envelope that everything comes in). |
| Letters | Typeset |
| Notes | Includes letters from (and answers to) Mark Zepezaner, Harvey Phillips and unsigned. |
| Characters | Son of Satan [Daimon Hellstrom] |
| Genre | Occult |
| Script | ? (promo copy) |
| Notes | Promo for the first issue of the Son of Satan in Marvel Spotlight #12. |