DC Retro Batman 1966 Villains Lair PlaysetTucked near the ocean, lies the secret lair of the United Underworld. A haven for some of the most sinister villains, who stop squabbling long enough to try to defeat Batman. A section carved out for each prominent member, all sorts of dastardly gadgets, and images of their own evilness adorned on the wall, you would think some of the evilest minds could finally defeat Batman. You would think.