Heroic Comics #21

This anthology issue contains multiple stories including "Yank Meets Tommy," which depicts allied forces—specifically American and British soldiers—meeting in North Africa on April 7, 1943, to coordinate a major offensive around the Gafsa-Gafes road. The issue also features stories involving a scientist's laboratory with discoveries related to silk thread and spider webs, and a crime narrative involving characters named Bob Blake (Hydroman), who uses diving abilities, and Ralph Lester, with a subplot involving a stolen store robbery and a mysterious criminal enterprise. Additional stories showcase various heroic characters engaged in action sequences, including confrontations with criminals and underworld figures.