In this new volume of stories from the height of World War II, Superman tracks a missing heiress, battles a mad architect bent on destroying Americaand#39;s greatest landmarks, and encounters a factory full of German spies. Plus: Superman must fend off an admirer as he pursues a dangerous villain known as the Leopard.andamp;#160; Collects SUPERMAN #20-21, ACTION COMICS #56-58 and WORLDand#39;S FINEST COMICS #8.