DC Comics has been on a roll. With “Joker” grabbing awards and raking in the money at the box office, it’s funny to think that only a few years ago, people were bemoaning the company’s output of comic book movies.

DC Comics announced a new imprint called Wonder Comics at New York Comic Con 2018 on Thursday, Oct. 4. This new imprint, called Wonder Comics, is set to have the specific purpose of featuring young...