Super-Mystery Comics v1 #2

An anthology of action and mystery stories featuring multiple heroes. Sky Smith, a flying ace, crashes his plane during wartime and must recover his clothes and escape to a hidden camp, where he encounters a spy whom he fights. Vulcan, the Volcanic Man, battles enemies in an industrial setting where his intense heat melts metal tools used against him. A story involving the Devil River Colony includes characters searching for an entrance to a hidden colony in snowy mountains, falling into an icy slide trap, and being captured by colony members who were expecting them.