IMPORTANT COSTUME INFORMATION: Costumes will be permitted in the Exposition Center, after parties, hotel, lobby and pre-function area. However, wearing a mask, make-up or any type of face coverings is NOT allowed in the gaming areas. Decisions as to what constitutes a mask will be made by Mohegan Sun’s gaming personnel, whose decisions are final.

- This event has passed.
Annual Terrificon at Mohegan Sun Casino
July 30, 2021 - August 1, 2021

Terrificon, Connecticut #1 Comic Con is coming to at Mohegan Sun Casino July 30 – August 1, 2021 and will be held at the Mohegan Sun Expo & Convention Center. Once again, Big Fedora Marketing, LLC is producing the Nutmeg State’s #1 comic book convention for fans of comics and their creators, actors from superhero, sci-fi, horror shows and films – plus the best shopping for comic books, artwork, Pop-culture memorabilia and gaming goods. Finally, TerrifiCon has the state’s coolest cosplayers and don’t forget our famous after con activities! It’s three full days of nonstop family fun at MOHEGAN SUN!
New England’s #1 comic book convention for fans of; COMIC BOOKS and their creators! Plus, actors from superhero, sci-fi, horror shows and the best shopping for comic books, artwork, pop-culture memorabilia and gaming goods.