Collects Nexus (1985) #26-39.
*The mighty Nexus is charged and empowered to execute the galaxy’s mass murderers, and there is no shortage of targets. But when Nexus delegates some of his docket, the appointed assassins go on a rampage, killing thousands, and Nexus must intervene or become responsible for genocide himself! *Source: darkhorse.com
The Herculoid creatures appear in a one panel cameo being freed from a menagerie.