With the moderate success of Filmation’s live-action show Shazam! the studio decided to create a female counterpart to Captain Marvel but as they were unwilling to pay licensing fees for Mary Marvel a new character called Isis was created.
With the moderate success of Filmation’s live-action show Shazam! the studio decided to create a female counterpart to Captain Marvel but as they were unwilling to pay licensing fees for Mary Marvel a new character called Isis was created.