When an inventor friend of Namor's is found dead with a suicide note, Namor tracks down a businessman who forced him to write out the note and then murdered him so he could steal his new boat super-speed engine attachment design.; A grim Captain America and Bucky attempt to track down the nefarious Lupo and his three killer apes who have murdered eleven people during various robberies, and who has challenged the duo to catch him.; A Nazi spy has been ordered to steal a robot bomb, and concocts a scheme to use escaped convicts to help him steal the weapon and use it to propel them to a meeting with a Nazi submarine.; Detective Trapp must investigate the death of a foreign correspondent, who was killed by a shot fired from a juke box!