YouTube superstar Markiplier hosts this 15th anniversary celebration of pioneering webcomics publisher Keenspot; joined in the party by Keenspot's partners and pals from Red Giant Entertainment. Creators scheduled to appear include Thomas Fischbach (Twokinds), Benny Powell (Wayward Sons), David Campiti (Exposure), Jinky Coronado (Pandora's Blogs), Thomas K. Dye (Newshounds), and a gaggle of giant surprises. All attendees will receive a free copy of the Markiplier-starring Giant-Size #1, a Comic-Con exclusive featuring Markiplier's first appearance as a comic book character.