User blog comment:Nmrls/What are you looking forward too?/@comment-4821105-20130109213634/@comment-1038387-20130111085356

"i love doctor sivana we need to see more of him. does he have the family he had in batman the brave and the bold in the comics?"

Yes, yes he did. First Giorgia, a counterpart to Mary Marvel, and then Thaddeus, Jr., you can guess whose enemy he was. Because Captain Marvel was a "family" hero long before Superman and Batman.

Also, the Sivanas knew their secret identities. That never happened to Superman.