Warner Bros. Interactive Entertainment and DC Entertainment announced today the availability of two new DLC packs, as well as a free Batman Inc. Batsuit Skin for Batman: Arkham City, the sequel to Batman: Arkham Asylum. The Arkham Bundle brings together the Nightwing Bundle Pack, Robin Bundle Pack and the Arkham City Skins Pack for 1,200 Microsoft Points or £11.99 for PS3 and PC. Also available for download today is the Challenge Map Pack, which includes The Joker's Carnival Challenge Map, the Iceberg Lounge Challenge Map, and a brand new invisible predator challenge map, The Batcave. The Challenge Map Pack is available for 240 Microsoft Points or £2.39 for PS3 and PC respectively. A new trailer is locally mirrored.