Walking with Superman: Day 213

Years ago, a colony of matter-manipulating aliens called the Invisible Empire attempted an invasion of Smallville, Kansas. A young Clark Kent foiled their plans by imprisoning the would-be world-conquerors in waxwork dummies of the world's most terrible dictators, borrowed briefly from Madame Tussauds. Now, the Man of Steel is visiting the Wax Museum in Washington, DC, and he's about to learn that the Invisible Empire has risen again! Years of immobilization and imprisonment have convinced the aliens that they truly are the great dictators of the past, and now that they've been reanimated, they're ready to resume their conquest of the world! Superman will have to act fast to stop these megalomaniacal mannequins before they rediscover their matter-altering abilities. Perhaps the solution lies in the Presidents Gallery...