Superman #710 2011

Superman #710 features a pivotal moment in the "Grounded" storyline, showcasing a previously untold tale of a teenage Clark Kent and Bruce Wayne. The issue depicts one of their earliest encounters, long before they became Superman and Batman, as they unite to confront the immortal Vandal Savage. This issue is notable to collectors for its unique flashback narrative, offering a rare glimpse into the formative years of two iconic DC characters and their initial collaboration.