Bloody Disgusting is reporting that Ivan Reitman is “100%, without a shadow of a doubt” is attached to direct Ghostbusters III. The site further reports that while Reitman is attached to direct, he hasn’t decided whether or not he wants to ultimately direct the project.
There are also some new details about the story:
Apparently, the sequel takes place when the paranormal researchers “reopen” their ghost removal service after it has been closed for quite a few years.