Jason Reitman's Ghostbusters sequel may have materialized out of the netherworld, but development on the project is rolling right along. Casting for a young crew is underway with an eye to shoot this summer, and now—thanks to a Tweet from Reitman—we know that Sony Pictures has set a July 10, 2020 premiere date for Ghostbusters 3. Reitman's father, Ivan Reitman, directed both the original Ghostbusters and its 1989 sequel. Jason Reitman's film—which he also co-wrote along with Gil Kenan—will pick up the story of the ghoul-hunting biz set in that same …