Superman #158, published by DC Comics in January 1963, features the iconic story “Superman in Kandor”. In this tale, Superman and Jimmy Olsen shrink themselves to enter the bottle city of Kandor, where they adopt the secret identities of Nightwing and Flamebird. They work to clear Superman’s name after being falsely accused by Kandorians of withholding the technology to enlarge their city. The story introduces the Nightwing and Flamebird personas, which later inspire characters in the DC Universe. The cover art was created by Curt Swan, with interior artwork by George Klein and writing by Edmond Hamilton. This issue is a significant piece of Superman lore, blending science fiction with superhero drama.