Captain Jack Sparrow might be a household name, but despite the cultural clout, the“Pirates of the Caribbean”franchise has gone adrift. In some ways, it’s been a series of diminishing returns, and they’re not done yet. As the fifth film,“Dead Men Tell No Tales,”prepares to set sail Friday, it’s already facing a few hurdles, including a changed blockbuster landscape, a star with a diminished profile and a six-year gap between installments.
In 2003 “Pirates of the Caribbean: The Curse of the Black Pearl” washed ashore like a revelation - Walt Disney Studios had made a good movie based on a theme park ride, and created an iconic (and money-making) character for Johnny Depp in the process. Fourteen years later things look quite different. The films, which have earned $3.7 billion globally,…