Here are some details:

Two maps (of four) known so far: Epicenter and Markaz Market, both are urban environments
In Conquest mode there are helicopters on the map, this way you can get on top of the sky scrapers and snipe down from up there. Of course you are easy prey for enemy helicopters.
New vehicles are modified civilian cars, reinforced with steel plates and so on for a makeshift look
New game mode is called Scavenger, is infantry only
Players start only with a pistol of their choice. Weapons spawn on random locations on the map with very limited ammo and there are three categories to them. Lvl 1 weapons don't have any attachments, lvl 2 – 3 guns do
You still have to capture flags but you can't spawn on them
Crossbow is a gadget all classes can use, taking the place of the grenade launcher, C4, RPG/Stinger or MAV/TUGS
Has four different firemodes: An explosive bolt, a „sniper bolt“ and a detection bolt (on impact it behaves like the TUGS and reveals enemies on the minimap). Don't know what the fourth one is, standard bolt maybe? After one shot you have to do a lenghty reload.

Screenshots ; http://www.reddit.com/r/battlefield3/comments/11on78/battlefield_3_aftermath_screenshots/

ooooooooooooooooooooooooooooooo I want that crossbow

crossbow seems cool but, come onnn i want moar weapons

This post was edited by Korozaroka on Oct 18 2012 02:52pm

crossbow pwnage? count me in...

Gameplay Footage ; http://www.youtube.com/watch?v=Jcu8LvIu9pc&feature=youtu.be&t=2m12s

free for premium members?

Its not free... we already paid for it.

oh true lol i have not been playing that much recently but i will give this a try armored core is pretty fun

Kill... Armored Kill. (>_<)

Welcome back newporg