What is the Boston Comic Con hashtag? FAN EXPO HQ June 09, 2017 16:37 Follow We’re so glad you asked! Join the conversation with #BostonComicCon17 and be sure to follow us on Twitter, Facebook and Instagram. Related articles I can’t attend Boston Comic Con anymore. Can I get a refund? Can I bring my bag or backpack to Boston Comic Con? Do you have a mobile app? Single Day Guide Can I send in my own items to Boston Comic Con to be signed? Comments 0 comments Article is closed for comments.