Action Comics #964 2016

Action Comics #964 continues the "Superman, Meet Clark Kent" mystery, as Superman brings Clark to the Fortress of Solitude. Using the alien Globe of Revelation, Superman verifies Clark's human memories, revealing how the previous Superman once posed as him due to a dangerous Geneticron investigation. The Geneticron building then mysteriously vanishes. This issue is notable for advancing the complex identity crisis surrounding Clark Kent and hinting at larger, sinister machinations by an unseen observer, making it a key chapter in the Rebirth era's overarching narrative.