Batman, with the help of the Flash, Green Arrow, Nightwing, and Red Robin, has to try and get to the bottom of the mysterious robotic animals attacking Gotham.

The Joker is aided in his Halloween quest to render modern technology useless and take over Gotham City by Solomon Grundy, Silver Banshee, Clayface and Scarecrow.

On a mining ice planet, Adam Strange awaits his chance to return to his own world while drinking himself to oblivion. When the miners unleash a deadly force, things take a horrific turn.