‘Tron: Ares’ revives the video game franchise with spectacle and optimism; Tourette syndrome biopic ‘I Swear’ smartly combines peril and humour; a nightmare nuclear scenario unfolds in Kathryn Bigelow’s ‘A House of Dynamite’; Dwayne Johnson stars in hard-hitting fight drama ‘The Smashing Machine’; ‘Urchin’ is an impressive character study of a drifter; French comedy ‘Mr Blake at Your Service!’ stars John Malkovich — reviews by Danny Leigh and Jonathan Romney