Pirate's of the Caribbean: At World's End

I enjoyed their storyline too, but honestly, what more can you do with their characters? Will's off sailing the seas for ten years with no way to be in contact during that time, Elizabeth's knocked up with his kid, and if the scene at the end of the movie is any hint, the next time they would even be able to become part of another storyline again (outside of perhaps some cameo appearances from Knightly.) is ten years after the end of the third movie. With Bloom and Knightly unwilling to do another movie anyway, what more can be done?

As I mentioned above, the only real way they could do anything with their story is to: 1. Have Elizabeth make some sort of deal with Calypso to free Will, be it trading Will for Jack or what have you, or some other attempt to free Will. 2. Have Elizabeth go along with Jack/Barbossa to the Fountain of Youth so she can live forever to be with Will every 10 years, because at the current rate, they've got about ~8 more days together at the most(back then she wouldn't live that long, but who cares.) I did notice that in the ending scene after the credits, Elizabeth didn't look like she had aged at all, and it WAS 10 years. Who knows.