I am kind of old-school in terms of filmmaking. I don't know how I managed to get the complete script. I am good at keeping secrets. As a fan, I didn't want to know what was going on, but as a character I had to understand the bracket in which I had to be operating. I had more reasons, other than curiosity,

Benedict Cumberbatch, 3 months
Benedict Cumberbatch on 'Avengers: Infinity War': I am good at keeping secrets