As you're all aware, when Bendis took over the Superman line, among his first actions was killing off Kandor, needless to say that decision was controversial.
Recently in Batman/Superman #7, General Zod had taken the corpses of the Kandor citizens and dumped them into the Lazarus pit to resurrect them.
Of course, the pit's had this side effect that it would cause the resurrected to go insane.