A suffusion of yellow
You should listen to the Sequeliser podcast where they talk Ghostbusters and basically imagine a sequel by Edgar Wright in his usual setting of the English country side.
Point is, Ghostbusters stories set in different cities should have been the basic hook for sequels! They could easily have created a sort of 'universe', one that might be described as being 'of the cinema'. You know?
A Universe of Ghostbusters would be Cinematic!