Bill Skarsgård will reprise his role as one of the scariest clowns of all time — an impressive achievement, given the overall terrifying nature of all clowns — in the upcoming It prequel TV show, Welcome to Derry, named for the town in Maine where the events of the movies took place. Skarsgård previously played Pennywise the killer clown, in the two-part adaptation of Stephen King’s It, directed by Andy Muschietti. This new series, which Muschietti is working on, is set prior to the events of the two films, 2017’s It and 2019’s It Chapter Two. Combined, the two Its grossed more than $1.16 bill…