Patrick Hockstetter dies in a more normal way (no leeches out of the fridge. However, Pennywise comes out of a fridge during the battle in the house on Neibolt St. and tries to pick off Eddie (who fell down and shattered his arm as seen in the storyboard a few posts up). Spider Pennywise doesn't show up. He remains the clown, but underneath them is this gelatinous membrane with 1000s of tiny spiders crawling around. One of the Bowers gang accidentally punctures the membrane and gets killed by them). Obviously the gangbang scene doesn't happen (Bev just looks the boys in the eye to calm them down in the sewers).
The Losers Club gang up on Pennywise with bats, chainsaws and other shyt and light him on fire with hairspray and a lighter, believing they've killed IT). No slingshot/no silver, which is kind of disappointing.