Gore Verbinski wisely sidestepped Pirates 4 to move onto the adaptation of videogame Bioshock.
Now Bioshock has been put on hold, possibly permenantly due to the budget estimates rising above the $160 million mark. That type of budget for a niche market with no guarantee of mass box office is too high a risk nowadays and with the previous track record of lacklustre videogame adaptations it's no wonder.
Here is a game trailer to let you get a peek.