The Marsh Monster/Runaways/Will the World Collide?/Time Rescue

The Marsh Monster Superman, Batman, and Robin must stop a swamp monster who steals the plans of an inventor. Runaways The Wonder Twins search for two boys who have run away from home. Will the World Collide? With the aid of an evil scientist, an alien planet composed of Kryptonite moves on a collision course for Earth, threatening to destroy it, unless the SuperFriends can stop it. Time Rescue Superman, Hawkman, and Hawkgirl travel 2000 years into the future to save a kidnapped scientist.