It would seem that following them is the way to locate the Trident of Poseidon, an object Jack apparently needs to defend himself from Captain Salazar, played by Javier Bardem.
On the Dying Gull with him, Jack Sparrow will have a pair of shipmates along for the ride.
Stars were given a prominent place in the teaser trailer for Pirates of the Caribbean: Dead Men Tell No Tales.
We’ve seen him, played by Brenton Thwaites, in the trailer as well, being accosted by Salazar.