There are no ghosts, but you'll be able to create more films. Today at CinemaCon, a closing sizzle reel revealed that a fifth film in the series is in the works. No talent attachments have been revealed.
After a Thanksgiving release, the film focuses on Dr. Egon Spengler's grandkids and was directed by Jason Reitman. It raised $129.3 million at the domestic box office and $197.3 million WW, totaling $938.2 million.