Detective Comics #291 (1961)

THE CREATURE FROM BAT-CAVE An alien creature inside a spaceship that arrived on Earth millions of years ago is awoken as the ship is unearthed deep in the Batcave and soon is loose and rampant in Gotham City. Batman and Robin are out to capture it and after investigating the spaceship closely, they learn that the creature comes from another planet searching for four special objects as part of that planet's centennial scavenger hunt. Unfortunately, the alien creature is tricked by Earth criminals into showing them the location of the Batcave. Batman and Robin manage to move the spaceship out of the cave as the creature returns. As the creature takes off in the ship, the criminals are captured and the location of the batcave is still a secret. THE SECOND MARTIAN MANHUNTER The real John Jones is astonished when he sees another Martian Manhunter performing super-feats in his hometown, while trying to deal with a gang-boss who suspects the Martian's secret weakness. ROY RAYMOND’S BETRAYAL!