- Script
- Stan Lee (credited)
- Pencils
- Jack Kirby (credited)
- Inks
- Chic Stone
- Colors
- Stan Goldberg ?
- Letters
- ?
- Genre
- super-héros (superhero)
- Characters
- X-Men [Angel [Warren Worthington III]; Iceman [Bobby Drake]; Cyclops [Scott Summers]; Marvel Girl [Jean Grey]; Beast [Hank McCoy]; Professor-X [Charles Xavier]]; Ka-Zar [Kevin Plunder] (first appearance); Zabu (first appearance); Maa-Gor (first appearance); Swamp Men (first appearance)
- Synopsis
- Even though he is not a mutant, Xavier allows the X-Men to travel to Antarctica and enter the Savage Land to investigate the noble savage, Ka-Zar. They end up having to save Jean and Warren from being sacrificed by the savage Swamp Men.
- Reprints
Introduction of Ka-Zar in the Silver Age. It is noted that Ka-Zar is pronounced as Kay-Sar.
Cover story
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- ?
Nutty Nature (c) Pracy & Fallon
#104 10-7-80
25-8-80
#120 27-9-80