I think I was somewhere in the third (the third!) Iron Man movie when I finally wondered “Why am I here?”

If you asked me who my favorite Avenger was, I’d say “Tony Stark”. But I was completely unable to articulate why I liked him. When all was said and done, there wasn’t much about him to like-- canonically, he’s an alcoholic playboy, and even the more cleaned-up version Robert Downey, Jr. plays…