Captain Atom "Secret of the Colombian Jungle"

In 1952, Nation-Wide Publishing sent Captain Atom on a single-issue jungle adventure, "Secret of the Colombian Jungle," a self-contained atomic-age thriller that stands as the character's earliest solo story. Though brief, this issue established the foundational premise of a military hero transformed by nuclear energy, a concept that would later define the character across decades. It remains a curious, standalone artifact of early Cold War comics, showcasing the straightforward, science-fiction-infused heroics of the era.