Title: Mr. Who? Mr. Atom!
Description: The villain Dr. Sivana has recently escaped from Fawcett City Penitentiary, and his plans involve a hostile takeover of the city--but Captain Marvel and Mary Marvel stand in the way.
Subjects: Comic books, strips, Juvenile fiction, Superheroes, Supervillains, Brothers and sisters, Graphic novels, Fiction, Children's fiction, Heroes, fiction, Brothers and sisters, fiction, Cartoons and comics
People: Marvel Captain