DICE has just now revealed on their facebook page that the upcoming Battlefield 3 DLC- Armored Kill will get a multiplayer trailer, which will be debuting on the morning of 19 July and will feature for the first time the biggest map ever in this Battlefield game. And most probably in the multiplayer trailer we will get to see some snow covered battlefields as DICE has given a little hint by mentioning the below comment on its Facebook page before signing off. 

"Oh - And bring a warm jacket and boots..."