Deathstroke won't just be players' enemy in. Pre-orderingwill also give you the chance to play as the world-renowned mercenary in the open-world game.According to the ad on Amazon , a pre-order will unlock "Playable Deathstroke DLC." It's not clear whether this is an Amazon exclusive. They're the only retailer currently listing the content, however.Deathstroke, seen in last week's trailer , is a former soldier who volunteered to participate in an experimental surgery. This surgery gave him superhuman strength, speed and healing. He's also proficient with a wide range of ranged and melee weapons. If need be, he can also pummel opponents with martial arts.Amazon didn't provide any other details on the DLC. It could be a set of standalone challenges starring Deathstroke, like the Robin add-on for Arkham City . I really hope it's a set of story missions, though. I'm picturing something like the Daud DLC for Dishonored that provided a new perspective on the main campaign's events. We'll have to wait for the official announcement by Warner Bros. for confirmation either way, though.is a prequel to the previous twogames. Batman will face many supervillains for the first time. Deathstroke will be joined by other long-time Batman foes like the Penguin and Black Mask