Some days ago some people leaked the maplist of Battlefield 3. They found them in some files of the beta.
Multiplayer Maps:
MP_BAZAAR MP_HIGHWAY MP_FOREST- Caspian Border
MP_BASEJUMP
MP_SUBWAY - Operation Métro
MP_CANALS
MP_OILFIELDS
MP_KHARG
MP_OMAHA Maybe the map from Battlefield 1942 ?
MP_PARIS
MP_TUTORIAL Tutorial for newcomers?
Coop Maps
COOP_A10 - Will have a plane, I am sure ^^.
COOP_BREACHED
COOP_HOSTAGE
COOP_ROLLINGTHUNDER - Sounds like a tankbattle.
COOP_BEHINDENEMYLINES
COOP_SUPERCOBRA - Fly a helicopter.
COOP_EXTRACTION - Presented on the gamescom.
COOP_ASSASSINATION
COOP_EXFILTRATION
COOP_SUBWAY
Back to Karkand exclusiv Weapons
XP1_FAMAS
XP1_HK53
XP1_PP19
XP1_QBZ95B
XP1_L85A2
XP1_QBB95
XP1_MG36 - The MG from "Battlefield 2: Special Forces"-DLC
XP1_JACKHAMMER
XP1_TYPE88 - The Sniper variant ?
XP1_L96
XP1_TYPE88 = LMG
It was already announced.
And
MP_TUTORIAL = Dev. only map.
Usually developers create a blank map with every weapon and vehicle on it so they can test damage and what not. That's probably what this is.