Steven Universe OGN Vol. 3: Ultimate Dough-down SC Publisher: KaBOOM!, an imprint of BOOM! Studios Writer:  Talya Perper Artist: Meg Omac Colorist: Kieran Quigley Letterer: Mike Fiorentino Cover Artist: Lorena Alvarez Gomez Price: $14.99 Synopsis: Steven and the Crystal Gems have faced down intergalactic empires, but are they ready to win a donut competition? With…