The DC Universe Rebirth The OZ Effect pt.4 Superman Actions #990 is a single unit comic book published by DC Comics in 2017. Written and illustrated by Dan Jurgens, this modern-age comic features the iconic character Super-Man from the Justice League of America. Set in the DC Universe, this English-language comic is a part of the series "The OZ Effect" and is a must-have for fans of US Comics and superheroes.