Six films to watch this week

‘Marty Supreme’ is a pulsating ping-pong movie starring Timothée Chalamet; ‘Sentimental Value’ eloquently explores family and artistic tensions; erotic thriller ‘The Housemaid’ pits Sydney Sweeney against Amanda Seyfried; ‘Avatar: Fire and Ash’ gives the franchise a flashy third outing; ‘The Six Billion Dollar Man’ chronicles Julian Assange’s time in Ecuador’s embassy and in prison; ‘Bowie: The Final Act’ documents the star’s last decades — reviews by Danny Leigh and Jonathan Romney