Action Comics #850 2007

Action Comics #850 finds Supergirl and the Legion of Super-Heroes in the 31st century, using Brainiac 5's Chronexus device. Supergirl opts to view key moments from Superman's life, witnessing his origin, early career, and marriage to Lois Lane. The issue also features the return of the Supergirl villain Blackstar. It is notable for its comprehensive retelling of Superman's history and offers intriguing glimpses into future events, including Supergirl discovering her parents are alive and Superman battling various Brainiacs.