User blog comment:J Fan/Pirates 5 - Sequel News Rundown (Revised)/@comment-1984959-20140115201526/@comment-1984959-20140128181621

Found something that may have came up from this report. From Kevin McNally's Twitter on January 21...
 * @POTC5 Enjoyed reading in the trades that I will be filming this in Puerto Rico and NOLA in the fall of this year.

So I guess, as far as we know, Gibbs will return. :)