Pennywise is back! After two "It" movies, there's still enough of Stephen King's epic for HBO's "Welcome to Derry," which got a Comic-Con first look.

Andy and Barbara Muschietti shared the terrifying opening scene of their HBO prequel series at San Diego Comic-Con.

Send in the clown. HBO has released a brand-new trailer for IT: Welcome to Derry, its forthcoming IT prequel series, which ...