ACTION COMICS (1938) #256

Superman – « The Superman of the Future! » What would Superman look like if he lived in the year of 100,000 A.D.? By a twist of fate, the world finds out one day and sees the remarkable way evolution has changed the Man of Steel, when he becomes… « The Superman of the Future! » Congorilla – « Janu, the Joker of the Jungle! » Until now, only adult minds have inhabited the body of the amazing man-ape known as Congorilla! But what would happen if, suddenly, a boy’s mind took over the body of the huge gorilla? Moreover, what if that young mind were full of mischief? The result is funnier than a cage full of monkeys, as Congo Bill’s young pal becomes……