I would think flying would be pretty cool. You would be able to fly away from all your enemies and get where you're going much faster. But being invisible? You probably wouldn't use that for the good of man.
“It was the most pleasurable thing I've ever done, playing this character, and I just remember feeling so at home and so - I don't know, I was just happy - and it just wasn't ever work! It was like a sandbox for me, and I would crack myself up rehearsing.”