Two new pieces of downloadable content have been released for Darksiders II, Argul's Tomb and Death Rides, both for the price of $6.99/€5.49. People who have pre-ordered Darksiders II should have received their code for Argul's Tomb already and been able to activate it on their online store of choice.
Here's the description for Argul's Tomb:
Argul’s Tomb is a new gameplay zone, which includes two challenging new dungeons, new enemies to best and unique legendary loot to collect. Tailored towards players that have finished at least the first three zones of the main game, Argul’s Tomb adds an additional challenge for gamers of all levels.
And Death Rides:
Featuring multiple exclusive side-quests, this pack allows the most fearless adventurers to explore more of the Maker’s Realm and Dead Plains and earn additional experience and loot. Aid an ancient Construct, battle The Bloodless and retrieve Karn’s lost treasure in this unique game play content.