https://www.cbr.com/welcome-to-derry-changes-mike-hanlon-storyline/

Welcome to Derry Episode 4 serves as a heartbreaking reminder of one crucial change from Stephen King's novel.

Welcome to Derry Finally Confirms Pennywise’s New Origin: Where Did IT Come From? (https://www.cbr.com/welcome-to-derry-where-did-pennywise-come-from/)

Although Stephen King's 1986 novel delves into Pennywise's origin, it has not yet been adapted on screen—until now.