He acquired a power-suit of armor, and a stylized weapon resembling a cesta-punta used in the game of jai alai which hurled explosives, and set about to demolish Kord's main facilities; this naturally brought him into conflict with the Blue Beetle, who handily defeated him.
Dozens of heroes found themselves confronted by loved ones, friends, employees, and allies who revealed themselves to be secret Manhunters who had reported back to their superiors over the years on their target's activities.
Unusually, no such act of betrayal had struck the Blue Beetle, and he began to vigorously seek out just who "his" Manhunter might be.
It had been the Manhunters who had provided Beck with his armor and helped him create the Overthrow identity, and on their orders he had attempted to contain and impede the Blue Beetle's activities.
Overthrow's armored battlesuit's primary weapon was its cybernetic cesta, which allowed him to hurl explosive spheres with superhuman accuracy and velocity.