There are a few Pennywise clues before Mrs. Kersh transforms into the villain. Beverly spots a number of flies in a circle at the window. And the teacups the two drink out of are oddly reminiscent ...

Pennywise becomes a clown-spider hybrid in Muschietti's It: Chapter 2, but not the literal man-sized spider we see in the original series. Whether the show will uncover his true spidery origins ...