In the 1950s, superheroes dwindled away for a time. The Justice Society disbanded in 1951 after refusing to reveal their identities to HUAC. Sub-Mariner, Human Torch, and Captain America had disappeared by the middle of the decade.
Batman, Superman, Wonder Woman, and a handful of others continued to operate, but increasingly they were faced with alien and monstrous menaces. They weren’t the only ones. Whether they came from outer space, under the earth or oceans, or were born of some misguided experiment, monsters were emerging everywhere, and regular humanity was having to face them. The authoritarian alien telepath, the Green Martian Gardner, may have been exerting a conformist influence over the minds of America, but creatures kept crawling forth from the collective unconscious.
The so-called Monster Hunters were an informal group of adventures dedicated to combating these monsters. They were led by Ulysses Bloodstone, who had the bloodgem embedded in his chest, an artifact of the ancient Empire of Tears. He was joined by Dr. Druid, psychiatrist turned mystic, the hero Hurricane, who was actually the Eternal Makkari; and Zawadi, a mysterious Wakandan exile. Later, they were joined by Namor’s cousin, Namora, and the aging adventure with a magic ring known as Congo Bill.
The Monster Hunters seem to have disbanded sometime around 1960 as a new age of superheroes dawned. Their legacy was a number of other teams dedicated to fighting weird menaces where they encountered them like the Challengers of the Unknown, who formed in 1957, the subterranean explorer Cave Carson and his associates, and the undersea adventurers known as the Sea Devils.