Honestly I do not think there will be new servers. BO3 will be still ran on the 360 and that console will not be able to run 16v16 or 32v32. I think we might be able to see matches like this once the next gen consoles become the only consoles for COD
I would love to have a custom map editor for CoD i think there will be many people who will do great things with it.
I personally would love no exos. Theyre nice for advanced warfare but they need to stay with that game. Plus it just leaves a show of randomness to CoD which I do not like. Before you had to understand map layouts, hotspots, high traffic areas, spawns, and the big coverspots so you can hold down an area and control the map. ALL of that is eliminated with advanced warfare because you have all these directions to watch out for and it just leaves everything up to randomness and chance. It is the person who has the best reflexes who will win the gun fights and not necessarily the better CoD player.
Thats just my 2 cents though