United Kingdom, Dec. 15 -- Paul Bettany isn't jealous of A-list stars because he would never want that level of fame.

The Avengers actor, 54, has opened up about the hierarchy in Hollywood and admitted he's comfortable with his place in the industry - admitting he is baffled by some actors who are super-competitive.

He told The Telegraph newspaper: "In my line of work, I was always surprised to discover that there were some actors I'd work with and think: 'What is it about this experience that feels weird?' And then I worked out that it was because it felt like a sporting event - I was working with somebody who was trying to beat me rather than become more than the sum of your parts together.

"With most actors it's a lovely, collaborat...