Actor Bill Skarsgard has hint that IT Part 2 will dig deeper into the psyche of the killer clown Pennywise:
I am attached to it but that’s all I can say, we’re in the early stages and I’m talking to [IT director Andy Muschietti] about it and figuring out what it will be. It’s a different story but I’m excited to delve in deeper to the character as there’s more exploration for who Pennywise is.
Talking about the first IT movie, he said:
There is depth and a change in Pennywise from the first scene to the last and there’s a journey there, and I’m glad you said that and it resonated with you – that’s exactly what I want people to feel, “wait a minute what is this thing?” And I think that’s what I wanted and that’s where I want to go for the second one, to delve into the psychological and metaphysical spaces of this transdimensional being.