Rewatched this
Gamescom 2013MP trailer and at around 0:21 saw these Warzone options:
-Abilities (Scout's Stealth, Assault's Dash, for example)
-Missions (I assume they would be Killcount, VIP Assasination, Propaganda Speaker, etc. None of these were shown in the video)
-Settings
-Bots
-Sidearms
-Explosives
-Weapons
The video continues and shows a variety of Custom Warzones with different setups, with visible options that I think would be found in the "Settings" option:
-2 Lives(so, limited respawns)/Unlimited Lives
-6 players (3v3), 4 Players (2v2)
-Spawn Waves [Long]
-Friendly Fire
-Health Regen [Slow/Fast]
Based on these findings, I assume that if you can have 2v2 or 3v3 matches, there will either be smaller maps that can suit smaller player counts, or the larger maps will be able to scale down for the smaller player counts (maybe by blocking off portions of the map?)
So, a Custom Warzone like the following would be something you can create:
Example Warzone
-5 Lives Only
-Spawn Waves [Long]
-Friendly Fire [OFF]
-Support Drones [OFF]
-Revive Drones[OFF]
-Stealth [ON]
-Tactical Echo [OFF]
-Health Regen [Slow]
-Shotguns
-Pistols
Also, the
A Day With Playstation Japanese trailer shows a Killzone tournament at the end. There are two teams, Blue Swat and Chaos Force. The names were shown on screen at the beginning and end of the match (the text was overlaid on top of the gameplay/final kill replay at the match's end), and unless it was just added for the commercial (highly likely in my opinion), it could be a hint that clan support might be included. Again, just a hint, needs confirmation.