Adventure Time Presents: Marcy & Simon #1 BOOM! Studios / KaBOOM! Slimm Fabert (artist), Mike Fiorentino (letters), SJ Miller (colors), Olivia Olson (writer) January 16, 2019 When the Adventure Time team announced that they were going to release a six-part miniseries about Simon Petrikov and how he’s been handling being himself again after a thousand years…