Ed Nygma, a.k.a. The Riddler, is out of the deep freeze, but his brain may have been a bit frostbitten in the process. Even so, he’s thinking clearly on at least one front: His desire for revenge against Oswald Cobblepot, a.k.a. The Penguin, who had the Riddler frozen, then placed on display as an ice sculpture at his nightclub. Tough crowd…