We have no way of knowing at this point. I know they have been working on some videos they will be releasing soon. Hopefully one of those will be featuring all the online modes.
It's going to be interesting for sure. I wonder what the lag will be like on the server hosted rooms. I won't know what to do with myself if there is no lag lol. Be aiming way too far ahead.
To me, KOTH is KOTH and there really is no way to mess it up.. The developers are not kothers though... Honestly, I am just thrilled that they put it in to begin with. I will adjust my play style to fit the new koth if need be.