I thought we were past this but apparently not. Now that Paul Feig’s Ghostbusters film is coming to digital and Blu-ray next month, reports have started to circulate that the title has suddenly been changed to Ghostbusters. This isn’t true—mainly because the film’s real title has been Ghostbusters: Answer the Call even before it was released.
Source: io9 – Nope, Ghostbusters Did Not Suddenly Get a New Title