Superman III

Clark Kent to Superman - it's the most famous quick change act in the galaxy. But now something's changing Superman. Suddenly the Force for Good is acting strangely - taking the tilt out of the Tower of Pisa, blowing out the Olympic torch, sky-writing off-color graffiti. Is this behavior modification the symptom of bigger trouble? You bet it is! Superman is up against a sophisticated enemy smarter than man - a computer evilly programmed to put one man in charge of the world...