The science fiction epic Dune thrilled critics and viewers two and a half years ago. The visually stunning film, made on a budget of around €150 million by director Denis Villeneuve, was a huge box office success. Villeneuve had always conceived his adaptation of Frank Herbert’s 1965 novel as a two-part series, and when the first instalment grossed more than €400 million worldwide (according to the industry portal Box Office Mojo), that guaranteed that the complex story of the desert planet Arrakis would continue. “I never left Arrakis,” said Villeneuve at a press conference shortly before the…