James Cameron-Wilson, overjoyed to be back in a cinema again, discusses the boost to the box office just as restrictions in many areas will reverse it. He reviews Netflix's female assassin movie Ava, starring Jessica Chastain. He looks at the Argentinian film Murder Me, Monster on Curzon Home Cinema. And he delights in the exuberance of The Prom, another Netflix title, starring James Corden Meryl Streep.