PlayStation Store has been update, it was posted last night you can get all of Uncharted 2: Among Thieve’s downloadable content DLC for free.
This includes the Drake’s Fortune Multiplayer Pack, the Golden Gun Pack, the PlayStation Heroes Skin Pack , the Sidekicks Skin Pack and the Siege Expansion Pack. You can download these content for free through PSN if you haven’t purchase or play any of these maps
No word were given for other regions, this exclusively for the US only for now.