Issue: #10
Last valuation update: 2025-10-02
The X-Men train their powers. Angel is watching TV and sees a man and a saber-tooth attack a reach team in Antarctica. Professor X sends the X-Men on a mission to investigate what is going on in Antarctica. When they reach the Antarctica, they find a hidden land filled with dinosaurs. A group of natives attack the X-Men and capture Marvel Girl. The wild man and the saber-tooth scare off the native...
First appearances: Zabu, Ka-Zar, Maa-Gor
Creators: Stan Lee, Jack Kirby, Sam Rosen, Chic Stone
Characters: Angel, Beast, Cyclops, Iceman, Jean Grey, Professor X, Zabu, Ka-Zar, Maa-Gor