User blog comment:Mr. Xemnas/PLANET HULK SET FOR 2015 WHAT!!!!!!!!!!!!!! AVENGERS 3WORLD WAR HULK?????/@comment-6706183-20130209175138/@comment-1895174-20130209190440

Nope. They were specifically created to be Marvel's (then the only comic book company not absorbed by DC) counterpart to the Justice League. This is from Stan Lee himself.