| 1 | Ka-Zar (1st Series) | Reprints X-Men #10 (first series) and Daredevil #24; 1st appearance of Ka-Zar; 1st appearance of Zabu; 1st appearance of Huntsman of Zeus; Giant; Hercules back-up |
| 1 | Ka-Zar (UK Edition, 1st Series) | Reprints X-Men #10 (first series) and Daredevil #24; 1st appearance of Ka-Zar; 1st appearance of Zabu; 1st appearance of Huntsman of Zeus; Giant; Hercules back-up |
| 23 | Super-Heroes, The | Reprints Silver Surfer (vol. 1) #11; Reprints X-Men (1st series) #13 (pages 1-8); 1st Appearance of Ka-Zar; 1st Appearance of Zabu |
| 10 | X-Men (1st series) | 1st Appearance of Ka-Zar; 1st Appearance of Zabu |
| 10 | X-Men (UK Edition) | 1st Appearance of Ka-Zar; 1st Appearance of Zabu |