New Line Cinema finally released the teaser trailer for the remake of Stephen King’s 1986 blockbuster horror novel IT, and what a trailer it is. There’s a fair amount of carping going on around the internet, but let’s be honest here: this is a spooky preview with obvious production values.

It certainly inspires hope that this two-film project will deliver in ways that the original made-for-TV mini-series didn’t. Of course, it also sets up potential disappointment. King is the most heavily-ada...