-Are sprint and AA's on separate buttons?
Yes. Sprint is ALWAYS available, AA is on the same button as on Reach (Right bumper, for me).
-Were there any new weapons? (missile pistol, Assault Carbine)
I saw no new weapons in multi. Frank showed off a short campaign demo (10 minutes of an early level in the game), and there was some sort of energy-based covenant rifle that looks pretty cool. (Didn't get to see it in very much action; it came pretty late in the demo, and depending on who was running through, there often wasn't much left alive by the time it showed up.)
-Was Jetpack useable? If so, how does it operate?
-What about other AA's?
I didn't experiment with any of the loadouts that used anything but Promethean Vision - sorry. (Both of the first two loadouts had that as the AA)
-How do weapon spawns work? Are there a lot less weapons in play now with the ordinance system?
There were almost no weapons on the map at all in the games we played. (I'd say there were none, but I seem to remember a needler or two lying around - I guess maybe a deady guy could have dropped it, not sure.)
Ordinance drops are pretty cool. When you earn one (I don't know what I did to earn them), you get a little thingy in your UI that pops up - three choices, mapped to three buttons on your D-Pad. Pick your drop, and it'll appear in the default location for that power weapon soon after. That is: Let's say we're talking about Powerhouse. When the game starts, there are no Rockets in the outlet under the station... but as soon as someone earns a drop, and picks Rockets, they'll pop in there. Everyone gets notified that they're about to drop - but the dropper obviously knows a little sooner. So you can either get there first, and snag 'em... or get there and set up a trap.
WHAT THE HELL AM I DOING STILL TYPING? I'M SUPPOSED TO BE PACKING!
Later on, he clarifies
Okay, last post of the day. Really.
Clarification: I have NO CLUE what generated the Ordnance popup in my HUD. I ASSUMED it was something I 'earned' (through kills/points/something else)... but I did NOT clarify this with anyone at 343. For all I know, it could be totally random, and assigned to a random player each time it comes up (no earning involved). I simply don't know.
Don't freak out until someone's TOLD you that it's exactly how you don't want it.
Demoncarnataur - I didn't see any jackals at all. Only campaign enemies in the demo were Grunts and Elites.
Also: the fact that the loadout last night included a Plasma Pistol as secondary weapon means NOTHING for Halo 4's matchmaking - it was set up at the show by the guys configuring the Xboxes. DO NOT PANIC THAT BTB WILL HAVE ANTI-VEHICLE WEAPONS ON SPAWN - you're drawing huge conclusions from very, very spotty (and non-relevant) data.
quick last-minute quote:
Originally Posted by Recarpo:
There are power weapons that will be there at the beginning of the match. For example, for a map like the pit 2 snipers and rockets would be there at the start of the match and after that they would only be dropped by ordinance.
This is not how it worked last night. There were no power weapons at the start of the matches - they only came in on ordnance drops. (Again - these were CUSTOM games, set up by 343 staff. This tells you NOTHING about Matchmaking - but I wanted to clarify that what I played was NOT what you just described.)
Gotta go. Love you all. Kisses.