Six films to watch this week
Joaquin Phoenix and Lady Gaga star in ‘Joker: Folie à Deux’; ‘A Different Man’ tells a story of facial disfigurement; ‘My Old Ass’ stars Aubrey Plaza as a woman meeting her younger self; Kenyan herders and white landowners clash in ‘The Battle for Laikipia’; Francis Ford Coppola’s ‘Megalopolis’ is a bloated sci-fi tinted melodrama; ‘The Outrun’ stars Saoirse Ronan in a story of addiction and recovery — reviews by Danny Leigh and Jonathan Romney