First off, let me clarify what I mean by 'licensed'. I'm talking about games based on an existing property, like a comic book or a movie or a TV show or whatever. What's your favourite?
I think the two most obvious choices here are Batman: Arkham Asylum and Goldeneye.
If I had to choose between those two? I'm probably going with Arkham Asylum. As much as I love Goldeneye it has aged terribly. I tried to replay it a couple of years back and it was a heart-wrenching experience.
I'd also like to give a shout out to some older games -- like the original Robocop game. The side-scrolling one. That was brilliant. In fact, Ocean did a number of great movie conversions back in the day.
What are some of your choices?