I hope this is not true this map has been done more times than a cheap prozzy.But a Brazilian store has possibly let the nuclear cat out of the bag.
The Brazil PlayStation 4 Store has just updated their Black Ops 3 Digital Deluxe Edition to state that preorder customers will get the bonus map NUK3TOWN at launch.
Get the bonus NUK3TOWN map. This map, which is among the fan favorites, was completely redesigned to highlight the new chained motion system based on momentum of Treyarch, providing battles full of adrenaline.
Above is the Google Translate version of the description.