Detective Comics #714 1997

Detective Comics #714, published by DC Comics in October 1997, features Batman on the trail of a federal fugitive who has joined forces with the villain Firefly. As Batman pursues this dangerous duo, detectives Bullock and Montoya are experiencing unsettling encounters with their colleague, Detective John Jones. This issue is notable for the significant appearance of John Jones, revealing his true identity as the powerful Martian Manhunter, adding a unique crossover element to the ongoing Gotham narrative.