"My mum screamed"
McAvoy starred in the 2016 M Night Shyamalan thriller as Kevin, a troubled man with dissociative identity disorder
“I would say that I worked from a sense-memory perspective"
The film's director Todd Phillips has described the actor as "the tunnel at the end of the light"
Joaquin Phoenix also spoke about his strict diet
It premiered at the 81st Venice International Film Festival earlier today (September 4)
The sequel to 2019's 'Joker' is one of the year's most anticipated releases
Joaquin Phoenix also joins in on the fun
The extended cut is available to stream now on Apple+
"We've said what we wanted to say in this world"