Each DLC character will be available separately for 400 Microsoft Points, meaning Season Pass holders save 400 Microsoft Points. The pass launches on June 21, alongside the first DLC character, Skarlet.
The crime caper notched up sales totalling 899,000 copies on Xbox 360 and PS3 combined
LEGO Pirates of the Caribbean plays second fiddle to the multiplayer FPS.
Over one million units sold puts Warner's title ahead of Portal 2 in April.
Portal 2 pushed off the top spot.