Apperently does The Pirates comes with a Exclusive costume for LBP Karting
It's Sackboy ahoy with LittleBigPlanet Karting*-*PlayStation Network, PSN official news

When you pick up The Pirates! In an Adventure with Scientists on Blu-ray 3D, Blu-ray Disc or DVD you'll receive a special voucher code that lets you download exclusive LittleBigPlanet Karting costumes from PlayStation Store at no extra cost.

Find it funny, that none of the news site has mention and did only discover it, because it was in the news section on my PS3