Superman: Clark Kent and Lois Lane investigate a scientist working on a death ray, and when the scientist kidnaps Lois, Superman must save her -- The mechanical monsters: A scientist creates an army of robots to rob banks, and when the robots steal Lois Lane as well as a vault full of jewels, Superman must save her -- Billion dollar limited: When a train carrying a billion dollars in gold bullion is hijacked, Superman must regain control of the train...