As DC Comics’ event of the season continues, Harley Quinn is coming face-to-face with one of the most powerful magicians in comic book fiction. We are deep into DC K.O., a comic event focused on the heroes and villains of the DC Universe competing in a tournament to gain incredible cosmic power to stop Darkseid […] The post DC K.O.: Harley Quinn vs. Zatanna #1 is a High-Energy Slugfest (Review) appeared first on ComicBook.com .