During the Walt Disney Studios Panel, a surprise greeting from Jack Sparrow from the set of PIRATES OF THE CARIBBEAN: ON STRANGER TIDES, was shown.
Here are the details of the in production movie:
U.S. Release Date: May 20, 2011
Cast:                                        
- Johnny Depp,  Geoffrey Rush,  Penelope Cruz,  Ian McShane,  Kevin R. McNally, Astrid Berges-Frisbey,  Sam Claflin 
 
Director:
- Rob Marshall 
 
Producer:
- Jerry Bruckheimer  
 
Executive Producers:
- Mike Stenson,  Chad Oman,  Barry Waldman,  Ted Elliott,  Terry Rossio,  John DeLuca 
 
Writers:
- Ted Elliott, Terry Rossio 
 
Produced by Jerry Bruckheimer and directed by Rob Marshall, �Pirates of the Caribbean: On Stranger Tides� captures the fun, adventure and humor that ignited the hit franchise�this time in Disney Digital 3D�. Johnny Depp returns to his iconic role of Captain Jack Sparrow in an action-packed tale of truth, betrayal, youth and demise.  When Jack crosses paths with a woman from his past (Penelope Cruz), he�s not sure if it�s love�or if she�s a ruthless con artist who�s using him to find the fabled Fountain of Youth. When she forces him aboard the Queen Anne�s Revenge, the ship of the formidable pirate Blackbeard (Ian McShane), Jack finds himself on an unexpected adventure in which he doesn�t know who to fear more:  Blackbeard or the woman from his past.  
The international cast includes franchise vets Geoffrey Rush as the vengeful Captain Hector Barbossa, and Kevin R. McNally as Captain Jack�s longtime comrade Joshamee Gibbs, plus Sam Claflin as a stalwart missionary and Astrid Berges-Frisbey as a mysterious mermaid.  In theaters Memorial Day weekend, 2011.   
Captain Jack Sparrow (Johnny Depp) finds himself on an unexpected journey to the fabled Fountain of Youth when a woman from his past (Penelope Cruz) forces him aboard the Queen Anne�s Revenge, the ship of the formidable pirate Blackbeard (Ian McShane).