Liz and Norrington...
I've come to a new state of mind. I think Liz should marry Norrington. That takes care of all the problems. Will would be losing her to a good man/admiral, and then she could sail off and have affairs with Jack whenever she wanted.
Plus, Jack could even marry them on his boat. 😉 That takes care of that "spoiler".
plus, norri is kinda hott.
i know im crazy hahahahaha