The best comedy is always played straight down the middle.

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.

Without revealing too much, there's a specific skill set you need to be in Loki's army - let me know if you have the qualifications.

I wish we could be decent to each other.

I always found the extraordinary loss of life in the First World War very moving. I remember learning about it as a very young child, as an eight- or nine-year-old, asking my teachers what poppies were for. Every year the teachers would suddenly wear these red paper flowers in their lapels, and I would say 'What does that mean?'

I had huge fun with Chris Evans, as Captain America, because super-soldier though he may be, he's still a man, up against a God who in his own mind is infinitely superior. Then, in the ring with The Hulk, we've got this silver tongued, lightening quick mind up against the embodiment of rage..Loki has this mercurial, transformative ability, not just physically but intellectually, so not all the fights are purely physical. Mind games? Maybe.

It was quite a European war until 1917, when the Americans joined up. They don't have the same sense of the loss of innocence and the cataclysmic loss of life. A whole generation was wiped out.