Getting to play superheroes is a pretty good job.
Being a villain is great, even though I've only gotten to do it a few times.
Why would people spend good money to have my pants?
My power is the ability to control water molecules and form them into ice.
I think it is important that you care about the characters, and you are not just waiting for the next action sequence but have a vested interested in what happens to them.
Above and beyond having the social life, to have a core group of people that you work with and spend time with and learn how to work with is a nice thing.