The first teaser poster of the film was released on October 31, 2018.
This is the conclusion of the book, so there is no part three.
This is the end of the journey of the Losers against Pennywise.
But, as we all know the mythology is very rich, and in Stephen King's book Pennywise has been around for a million years, he's been in contact with humans for at least five hundred years, and he comes back every twenty-seven years.
However, the kids are disappearing again, so Mike (Isaiah Mustafa), the only one of the group to remain in their hometown, calls the others home.
Damaged by the experiences of their past, they must each conquer their deepest fears to destroy Pennywise once and for all...