Not long after Sony Pictures finalized their plans for an all-female Ghostbusters reboot, a report surfaced that Ghostbusters 4 was also happening, with Channing Tatum and Chris Pratt being eyed to star. That report revealed Drew Pearce (Mission: Impossible Rogue Nation) has come aboard to write the screenplay for this new Ghostbusters adventure, which will be part of a shared universe alongside the reboot. That movie is currently in production under the direction of Paul Feig. While promoting Mission: Impossible Rogue Nation, Drew Pearce revealed that he has finished the Ghostbusters 4 screenplay.

"I've finished my work on that in the last couple weeks. Obviously it's top secret, but there's a gigantic bold idea that I came up with, and the Russo brothers - who did Captain America: The Winter Soldier and are doing Captain America: Civil War at the moment - and Ivan Reitman, who did the original movie, are going to take that and run with it. Obviously I cannot tell you what it is, but hopefully in one year's time you'll know!"

While Channing Tatum hasn't commented on Ghostbusters 4 yet, Chris Pratt revealed in May that there is no truth to the rumor, stating that no one has spoken to him about the project, calling the rumor "complete bulls--t." Drew Pearce revealed that the filmmakers had been "thinking" about both actors for the project, but he doesn't know if they will actually come on board or not. Here's what he had to say.

"That's definitely the cast we've been thinking about as we approach the project. Whether that happens or not is very much above my pay grade. It's just my job to give them something exciting that maybe they'll do."

Now that the script is complete, perhaps the filmmakers will reach out to both Channing Tatum and Chris Pratt, but we'll have to wait and see. We reported just yesterday that Channing Tatum may be dropping out of Gambit, so that could free up some room in his schedule. As for the shared universe aspect, Drew Pearce revealed that Ghostbusters 4 will be set in the same universe as the female Ghostbusters reboot. He also hopes that it will all tie in to the original franchise as well.

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"My personal inclination is to try and make everything occur in the same 'Ghostbusters' universe, because I feel, as a fan, that's what I would want. Standing here in New York, you just wanna tie it all together. Whether that happens or not we'll see, but I've certainly given them the tools to do that, I hope."

It isn't known who will direct Ghostbusters 4 as of yet, but now that the script is finished, hopefully we'll start to hear more about the story and the shared universe it will be a part of. The Ghostbusters reboot stars Kristen Wiig, Melissa McCarthy, Kate McKinnon and Leslie Jones as the main characters, with a supporting cast that includes Chris Hemsworth, Andy Garcia, Michael K. Williams, Matt Walsh, Pat Kiernan and Neil Casey as the villain. Are you looking forward to a shared universe filled with Ghostbusters?