Clark Kent and his parents are traveling the country in an RV, and as they are about to enter Fawcett City, Clark hits a barrier and is blown out the back of the RV. He quickly turns into Superman and tries to prevent an accident on the highway from his landing on the roadway. Billy Batson hears that Superman is in Fawcett City and sets out to investigate as Captain Marvel. An enemy of Captain Marvel causes Superman to see Marvel as the Cyborg and Marvel sees Supes as Black Adam. Big fight ensues. Pa Kent sorts out the mistaken identities for the heroes.