User blog comment:WillTurner101/POTC 5/@comment-62.16.166.74-20120418184407/@comment-2191897-20120419171408

I think that crew you're referring to from Black Pearl, were shrunken by Blackbeard and put into that bottle that Blackbeard put them in with his magic, and then in Pirates 5 they will likely be taken out of it and brought back to their normal size, including the Black Pearl.