[UPDATE]: Warner Bros has now confirmed the release date and given us a few extra details on Cold Cold Heart’s storyline. The “extensive” add-on will feature Mr. Freeze’s first encounter with Batman, which includes new locations like Wayne Manor, and include new gadgets – such as the Batman Extreme Environment suit, thermal gloves and Thermocharged Batarangs. Batman: Arkham Origins’ upcoming story expansion Cold, Cold Heart will be available for download on PC, PlayStation 3 and Xbox 360 on 22nd April, a new teaser trailer has revealed. [Original Story]: So the surprise is finally out and it looks like Gotham City will be facing some serious winter. Warner Bros has updated their Batman Arkham Facebook page and said “all-new story DLC comi...