He is imprisoned inside a mountain by Earth-1 Green Lantern after being lifted up by Earth-1 Hawkman and dazed by blows from all the heroes, but when the machine is turned off he is substituted for Blockbuster on Earth-2 and renews the attack, defeating numerous heroes. However the JSA and JLA went to battle an Anti-Matter being that was threatening both Earths in Warp-Space after being summoned by Doctor Fate, who had sensed the threat due to the Spectre. As the heroes return they find Green Lantern had placed Grundy and Blockbuster together to occupy them, and the two have knocked the hate out of each other.