Sub-Mariner (1968 1st Series) #31 CGC 7.5

Cover art by Sal Buscema. "Attuma Triumphant," script by Roy Thomas, art by Sal Buscema

Triton and Stingray meet each other as they investigate a ship that was apparently sunken by Atlanteans in the name of Namor; Namor, also interested in this ship, confronts them and a misunderstanding leads to a battle; Attuma, who set the trap, catches them off guard and captures them; Attuma is using human prisoners and a captured Atlantean scientist to burrow underneath Manhattan in hopes of launching a surprise assault; Namor, Stingray, and Triton free themselves and overwhelm Attuma and bring an end to his scheme.

36 pgs., full color. $0.15. Cover price $0.15.