During a wedding rehearsal, a bridesmaid is taken by pirates and becomes the prize of the battle of ego vs revenge between two of the most powerful pirate ships.

What is the protagonist of your story? the pirates? the woman? Why do pirates take the lady? She is special?

In the sequel does Johnny Depp crash the wedding?

Could you fit in when it's set? Is it now, or in the past? Could slip that information in before "most powerful" in your current logline (e.g - "two of the early 21st century's/Jacobian era's/whenever's most powerful...")