…om Marvel Comics, it can result from an “incursion” at any potential breach point around the world. According to comics produced from the same IP, Answer The Call takes place in a parallel reality separate from the events of the other three films. And while you can choose to accept or reject supplementary information contained in other media, having the Ghostbusters franchise exist within a multiverse certainly fits into both the vibe and the cosmology of the series overall. Because honestly, the walls separating planes of existence within these stories are seemingly as thin as those of a cheap motel.
