Battlefield on their official blog revealed some information on the new DLC coming for Battlefield 4 titled “Final Stand”.

Final Stand, A DLC for Battlefield 4 Revealed

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EA and DICE, the publisher and developers of Battlefield revealed that there will be four new maps which are Operation Whiteout, Giants of Karelia, Hammerhead and Hangar 21 and the whole setup will take place in the freezing environment of Russia, where Russian’s will be experimenting with technology, Prototype Weapons and Modified New Vehicles.

Two of them were listed, one of them is a Battle pick-up rail gun and the other one is a hover tank prototype.
There will be a new story in the DLC and the DLC is said to be just like Battlefield 2142 and called as a sequel of Battlefield 2142
A release date for Final Stan is still not released but it is expected Before 2015 and the price for the DLC is expected $15.