At first you might assume the ghostbusting film is a spoof. Sadly, no.
He won't confirm or deny it.
Sigourney Weaver and Cillian Murphy are investigating.
It's sci-fi, everyone. Or is it?
See Paul Rudd, Dennis Hopper, Angelina Jolie, Michael Cera, Lady Gaga, and more in the slideshow.
Plus: Debbie Reynolds to play Katherine Heigl's grandmother.
Plus: Cillian Murphy and Thandie Newton face an airborne virus.
Plus, who wants to get shot by Ted Nugent?
Plus industry news on Ellen Page, John Landis, and The Rock.
Plus industry news on Ricky Gervais, Al Pacino, and John Woo.