Indicia reads: THUN'DA, King of the Congo. No. 2 (A-1 No. 56). On-sale date is publication date in Catalog of Copyright Entries, 1952 Periodicals, page 2.
Thun'da and Pha return to the Dawn Lands where they meet Cave Girl. They are all taken captive by the apemen of Kor and it is only through Cave Girl's ability to talk to all animals that they escape.