DON'T READ WHAT I'VE WRITTEN BELOW UNLESS YOU'VE READ BOTH Stephen King's "IT" and Stephen King's "The Tommyknockers", might contain possible spoilers for IT, Chapter Two!
I've been reading The Tommyknockers and there's a pretty big reference to Pennywise...Tommy Jacklin actually sees a clown with silver dollars for eyes and a hand holding a bunch of balloons.
The Tommyknockers takes place after IT is destroyed by the remnants of the Losers Club in 1985. But how did Tommy see Pennywise again? Maybe one of IT's babies made it out alive. Maybe Ben missed one of the eggs? Kinda makes me feel bad that Eddie and Stan died for nothing. There was no watchman like Mike left amongst the losers for another cycle though and the Losers started forgetting everything at the end of the book as they had forgotten everything about their childhood. I know that a lot of Stephen Kings books have intertwined universes or something (Dick Hallorann makes an appearence in IT as well) but this one is pretty huge. Wanna theorize?