watch 01:38 The Loop (Movies) Do you like this video? Potomac is a city located in Maryland. History The Sivana Family owned a mansion in the city of Potomac. References ↑ Shazam!: The Junior Novel ↑ Shazam! Deleted scenes External links Potomac on DC Database Potomac on Wikipedia Retrieved from "https://dcextendeduniverse.fandom.com/wiki/Potomac?oldid=143381" Categories: Locations Cities Community content is available under CC-BY-SA unless otherwise noted.