All Star Superman #06
Pa Kent is having a talk with a young Clark when he realizes he won't be around forever. As Clark's powers continue to develop, he knows his place isn't on a farm. Three men arrive to become farmhands for the upcoming harvest. Later Clark is having lunch with Lana Lang and Pete Ross. He voices his suspicions on the new additions to the farm. He also ponders whether he should stay in Smallville or move on to Metropolis to pursue his journalist career. Clark soon realizes that the three farmhands have superpowers and an "action suit" just like his. The three introduce themselves as part of the Superman Squad, a team of Supermen from different eras that help protect the structure of spacetime. Kal Kent reveals himself as a future descendant of Clark's from the year A.D. 853,500. Klyzyzk Klzntplkz is the Superman from the 5th Dimension and the third, bandaged Superman is the Unknown Superman from A.D. 4500. Just then the Chronovore, a being that ages everything it touches, arrives. The t