Adventure Time Marcy and Simon (2018 KaBoom) comic books
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Published Mar 2019 by Boom Studios.$2.50
Written by Olivia Olson. Art by Slimm Fabert. Cover by Lisa DuBois. To save Simon, Marceline, Finn, Jake, and Princess Bubblegum will have to go to lengths none of them thought were possible. 28 pages, full color. Cover price $3.99.