Funny thing: Shot was originally meant for Jack to kill himself with, and Tia Dalma/Calypso assists in bringing him back from Davy Jones locker. HOWEVER, Jack intended to use it on Barbossa who Tia Dalma/Calypso also brings back .
There's actually a book series (for kids) about it! I loved them! PotC was my first big fandom, just because I thought Captain Jack was such an amazing character! There's a ton of lit published by Disney about all the characters' back stories.