WHO is the Sizzler? WHY did G.I. Joe defect to the VietCong? WHAT is the secret of Dr. Bobb's meatball soup? ALL WILL BE...
Have an unknown that needs challenged? Good luck getting ahold of these mooks - the self-styled "Challengers of the Unknown" don't even have a...
Superboy - a wayward youth? Jor-El - the CAUSE of Krypton's destruction? And Krypto - hopped up on goofballs? It sounds like a nightmare...