Short answers, pulled from the story.
Goosebumps 2: Haunted Halloween opened on the 12th of October 2018. The film was originally scheduled for release on the 26th of January 2018 and later moved to the 21st of September 2018 before its final October date.
Ari Sandel directed Goosebumps 2: Haunted Halloween after replacing the original director Rob Letterman. The change in leadership occurred due to scheduling conflicts with another project and shifted the film's tone to a more structured approach.
The climax of Goosebumps 2: Haunted Halloween takes place inside the Wardenclyffe Tower in New York. Sarah Quinn combines the power of the manuscript with the energy of the tower's reactor to defeat Slappy and save the town.
Goosebumps 2: Haunted Halloween grossed $93.3 million worldwide with $46.7 million in the United States and Canada and $46.6 million in other territories. The film debuted to $15.8 million in its opening weekend.
Mick Wingert voices Slappy the Dummy in Goosebumps 2: Haunted Halloween. He took over the role from Avery Lee Jones who puppeteered the character in the first film.