I have a little office in my house and it is an absolute pigsty but I know exactly where everything is and there are little things stuck all over the walls, and papers in in-trays and files I have saved on my computer and playlists I have made on my iTunes - things that take me to a place that I think is appropriate.

All acting is an act of imagination. You are simply conjuring up imaginary circumstances in your mind and responding truthfully to them.

The character, as written on the page, is just a blueprint for a human being.

Tony Stark in 'Iron Man' helped wider audiences finally embrace the enormous talent of Robert Downey Jr.

If the Loki in 'Thor' was about a spiritual confusion - 'Who am I? How do I belong in this world?' - the Loki in 'Avengers' is, 'I know exactly who I am, and I'm going to make this world belong to me.'

I wish we could be decent to each other.

We pull on to the road, where our only company are the wandering cattle, who have become commonplace as traffic lights. Lethargic and listless, they look like they've been roaming the roads of Guinea since the dawn of time. And no doubt they will continue to long after we're gone.