Jurassic Park writer David Koepp has teased Jurassic World Rebirth will evoke the spirit of the first movie.The 61-year-old screenwriter, who penned 1993s Jurassic Park and its 1997 sequel The Lost World: Jurassic Park with director Steven Spielberg, is returning to the franchise for its next installment, and has hinted Rebirth will honor the original while also bringing a new tone to the series.In an interview with TheWrap, Koepp said: [We are trying to capture] the spirit of the first movie, which is the tone that we would like to get closest to.Keopp added it was the idea of starting afresh which persuaded him to pick up his pen once more for Rebirth.He said: You don't often get that chance, where they give you very few guidelines, except there must be dinosaurs in it.JURASSIC WORLD REBIRTHUniversalloading...READ MORE: Whats the WorstJurassic ParkSequel?However, before he agreed to return to the Jurassic franchise, Koepp had a list of demands he gave to Universal Pictures that the studio had to meet.He explained: Number one was the events of the previous six movies cannot be denied or contradicted, because I hate a retcon. [Number two was] all science must be real. [Third was] humor is oxygen.Reflecting on coming back to the franchise, Koepp said it was weird and trippy for him to step back in time 30 years for Rebirth.He added: It even smelled the same.It felt low pressure, even though Universal might be horrified to hear that.Looking back at Jurassic Park and The Lost World, Koepp said writing those first two movies were some of [his] favorite experiences in [his] career so far.He added: The combination of grand adventure and real science is right up my alley. And it was fun to be able to decide on a new tone, because every three movies seems like a good time to change tone and characters in a franchise.It was great to be able to work solely with Steven and make up a story and think of all new characters and all in a different tone.Jurassic World Rebirth, which stars Scarlett Johansson, Jonathan Bailey and Mahershala Ali, is set five years after 2022s Dominion, and will follow a team of scientists who race to extract DNA samples from three dinosaurs in an effort to find a groundbreaking medical breakthrough.Previously, Rebirth director Gareth Edwards said he hoped his 2025 film would kick off a new trilogy.Get our free mobile appThe Worst Movies of 2024ScreenCrushs editor and critic picks the 12 worst films he saw in 2024.