User blog comment:CutlerBeckett/Jeff Nathanson/@comment-3574741-20130120232601/@comment-4693709-20130121005158

''But the Pirates franchise won't suffer from outlandish action beacuse they've done it before. Walking underwater with a rowboat for air? Classic.''

Well, I hope you're right about that. But don't forget Nathanson only did the story for IJ4,  Lucas is the one who wrote the screenplay, so we don't know if it's him or if it's Lucas who thought about the fridge thing.

The part that gives me pause is having Nathanson write dialouge for Jack Sparrow.

This is why I truly hope Nathanson is working with Terry, or helping him.

IMDb does list Rossio doing the characters so does that mean I have nothing to worry about?

Stuart Beattie and Jay Wolpert are credited for the characters in every POTC movie, so it doesn't mean Terry is doing the characters, they're just giving him a credit because he created some of the characters. Also, IMDb isn't an official source, as you saw by yourself with the plot sypnosis... ;)