In Kingdom Come elseworld, after the absence of Superman, a new breed of more violent, dark vigilantes rose following the path of Magog, the new man of tomorrow. Under their leadership, the Justice Battalion born. The exact circunstances were never revealed.
In their zealous persecution of Parasite, the Justice Battalion caused the echological disaster of Kansas. Most of their members were totally destroyed, except Magog and metal-man Alloy.
According to Kingdom Come creator, Alex Ross, the Justice Battalion was a scene homage to Charlton characters.