Yep, and even as early as Action Comics #15, Siegel wrote him as someone fighting sharks in an undersea adventure, using the story point of finding lost treasure to save an orphanage as the driving force that catapults him into the shark-fighting adventure in the first place. Whether he’s fighting dinosaurs, werewolves, zombies, or sharks, sometimes you don’t really need corrupt political organizations, or anything overtly political, to have an enjoyable Superman adventure.