Two heads are better than one - even tiny little heads! The Atoms of Earths 1 and 2 go up against the Thinker, in The Atom #29!
Lois Lane - EVIL? And Mrs. Lex Luthor, to boot? You have to admire the commitment of the editorial staff who created not just...
Superman and Batman try to outsmart their Bizarro duplicates, while Tommy Tomorrow and his "buddy" Brent ignore every rational protocol while exploring a planetoid!
Superboy - a wayward youth? Jor-El - the CAUSE of Krypton's destruction? And Krypto - hopped up on goofballs? It sounds like a nightmare...