The Empire City in the Sky was a flying city designed, built, and operated by the mad scientist Luthor in the mid-20th century. While in use, Luthor used it for the purpose of conning the rich men Metropolis of their business secrets while posing as an alien. Superman foiled his scheme.
Notes[]
Behind the Scenes[]
- The city was created by Jerry Siegel and Leo Nowak.
Appearances[]
- Action Comics
- The Empire in the Sky (first and final appearance)