SUB-MARINER (1968) #5

Watch out for Tiger Shark in his FIRST ever appearance! After the events of last issue, a disorientated Namor finds himself on an isolated island where he is attacked by a giant robot. Namor destroys his foe but the robot explodes and Namor is knocked unconscious. A couple of men appear and take the Atlantean prisoner. When he awakes Namor is inside a strange base surrounded by shark tanks and is clothed in a metallic vest. A woman named Diane Arlis appears and explains Namor has been taken prisoner by Dr.…