http://411mania.com/movies/bill-murray-reportedly-filming-a-cameo-for-ghostbusters/
According to superherohype.com, Bill Murray has reportedly arrived in Boston, Massachusetts to shoot a cameo for the new Ghostbusters movie. The studio has not confirmed the report, but it is considered big news if true following Murray’s reluctance to do another Ghostbusters movie. Dan Aykroyd has already been confirmed for a cameo appearance in the film.
Ghostbusters is currently set for July 15th, 2016 release date and stars Kristen Wiig, Kate McKinnon, Melissa McCarthy, Leslie Jones, Andy Garcia, Michael K. Williams, Matt Walsh, Chris Hemsworth and Neil Casey.