Goosebumps 2: Haunted Halloween

Sony has said that a sequel to the 2015 Goosebumps movie is in the very early stages of production. It's unaware of what the plot is or when it will be released, but Sony has said that the actors from the first film will be returning to reprise their roles. It's also unaware if Rob Letterman, the director of the first film, will return for the follow-up movie.

It's rumored that HorrorLand from One Day at Horrorland will be mentioned in the film, and a new protagonist will appear in the film as well. It's been rumored that The Invisible Boy and the Mummy will also return for the movie. It's also unaware if Slappy the Dummy will return, he might since he was the main antagonist of the Goosebumps (2015 film), but it isn't certain yet.

Plot
It's actually unknown if this plot is real or fan made, if it's fake, the real one will replace the information below:

After the defeat of Slappy the Dummy and the monster army, R.L. Stine (Jack Black) is captured by Brent Green the invisible boy and The Mummy, the monsters that evaded capture, and the invisible boy opens the book that Slappy never opened, One Day at Horrorland, and the whole theme park comes out and they trap Stine, Zach (Dylan Minnette), Hannnah (Odeya Rush), and Champ (Ryan Lee) team up with a goth girl named Sam (Sarah Hyland), and the four must rescue Stine from The HorrorLand Horrors.