The Dark Knight and the Man of Steel uncover a plot by the Toymaster to use a secret, potentially deadly element in his new video game - the characters created by players manifest in real life! Now a world-wide network of players must team up to create the most powerful, skilled Super Heroes imaginable with one goal: To kill Batman! When Batman and Superman are cornered by the Toymaster and Mongul, they are pitted against one another in a battle to the death, with their only hope being the The Worlds' Finest. Collects Batman/Superman #5-9, Batman/Superman Annual #1, and Worlds' Finest #20-21.