Superman #23/1973

In a chilling tale from Superman #23 (1973), Superman faces a foe born from dreams—Dr. Phönix, the terrifying Schneemensch, whose icy power threatens to freeze the world. With Steve Lombard caught in the storm of frozen nightmares, Superman must pierce the illusion of an endless winter before the dreamer’s will consumes reality itself.

In a mysterious ceremony to preserve art for future generations, a guest speaker commits a murder before vanishing in plain sight, leaving Clark Kent and Lana Lang stunned. When Lana tries to help Clark confront his fear, she unintentionally hampers Superboy’s investigation—until the two team up to unravel a cunning art theft scheme.