Who is the publisher of the World's Mightiest Immortal , a fictional character, who is a villain to a fictional superhero appearing in American comic books published by DC Comics also known as Shazam ?
Oggar: Oggar, the World's Mightiest Immortal is a fictional character from the publisher Fawcett Comics, whose publication rights were acquired by DC Comics in the 1970s. Captain Marvel (DC Comics): Captain Marvel, also known as Shazam ( ), is a fictional superhero appearing in American comic books published by DC Comics.
Fawcett Comics