While this was rumored before, this is the first time something official was said about this. And it is the director Paul Feig (Bridesmaids) that gives us the news:
I had lunch with [Sony Pictures co-chairman] Amy Pascal when I got back to town. She was just saying, gosh, nobody wants to do ['Ghostbusters 3'] I said, yeah, it’s really hard to take that on, especially since it’s 25 years later. How do you come back into a world that’s had these ghosts and all this? It just felt too difficult. How do you do it and not screw it up?
But then it was bugging me for the next few days because ‘Ghostbusters‘ is such a great thing and everybody knows it, and it’s such a great world. It’s a shame to just let this thing sit there. I want to see another one. My favorite thing to do is work with funny women. I was like, what if it was an all-female cast? If they were all women? Suddenly, my mind kind of exploded: that would be really fun. And then I thought, well, what if we just make it new? It’s not coming into the world that existed before. It’s always hard if the world has gone through this big ghost attack, how do you do it again? I wanted to come into our world where there’s talk of ghosts but they’re not really credible, and so what would happen in our world if this happened today?”
Furthermore, the director says,
“I love origin stories. That’s my favorite thing. I love the first one so much I don’t want to do anything to ruin the memory of that. So it just felt like, let’s just restart it because then we can have new dynamics. I want the technology to be even cooler. I want it to be really scary, and I want it to happen in our world today that hasn't gone through it so it’s like, oh my God what’s going on?
[...] Both [screenwriter Katie Dippold] and I are obsessed with how do we make comedy really scary? The sequel to ‘The Heat’was going to be pretty scary and funny. Almost like in a ‘Silence of the Lambs’type thing but funny. I think funny people in peril and in danger is one of the best forms of comedy, and I really like things to play very real while funny things are happening. So that’s what both Katie and I really want to do with this one is make it crazy funny but also you’re scared at the same time.”