Given the impending time jump and inevitable recasting with older actors, Wyat Oleff and Jeremy Ray Taylor don’t necessarily expect to lead the next incarnation of IT, but they seem incredibly interested in returning for flashback sequences to help flesh out the mythology between the movies.
Following the defeat of Pennywise (Bill SkarsgÄrd) in the sewers, the members of The Losers Club formed a Blood Oath as they all went their separate ways.
This is the last that we see of them in the film, with the scene suggesting that the moment will have significant implications for their lives as they grow up and become the adult protagonists of IT: Chapter 2.