Batman #0 Beginning Of Tomorrow 1994

This issue, published by DC in 1994, is a pivotal part of the Zero Hour event, delving into previously unknown aspects of Batman's early history. It notably retcons the identity of Thomas and Martha Wayne's murderer, establishing it as unidentified, a significant departure from prior continuity. The comic also features the earliest chronological appearances of Alfred Pennyworth and Leslie Thompkins, making it a key issue for collectors interested in the foundational elements of the Batman mythos.