A Marshland near Metropolis. This Marshland is near the city of Metropolis. Lois Lane and Jimmy Olsen once visited there investigating reports of U.F.O. sightings. Appearance The New Adventures of Superman The Robot of Riga References ↑ As seen in The Robot of Riga. Retrieved from "https://superfriends.fandom.com/wiki/Marshland_near_Metropolis?oldid=45578" Categories: Locations Filmation Community content is available under CC-BY-SA unless otherwise noted.