I think a lot of these are new to “giveaway status” as they include a lot of the incremental content that has been released between the last couple of expansions.
This Coupon Code will grant the following to your game account:
Quest Pack: Central Gondor
Quest Pack: East Gondor
Quest Pack: West Gondor
Quest Pack: Old Anórien
Region Pack: Far Anórien
Quest Pack: March of the King
Quest Pack: Battle of the Black Gate
Quest Pack: Legacy of the Necromancer
Quest Pack: Where Dragons Dwell
Quest Pack: The Vales of Anduin
Quest Pack: Mists of Wilderland
Quest Pack: The Wildwood
The Further Adventures of Bilbo Baggins
Quest Pack: The Blood of Azog
Quest Pack: Rangers and Ruins
Quest Pack: Yondershire