Quoted from PinMonk:KISS has already effectively dropped off. Plenty of stock out there in warehouses and home that isn't moving due to molasses code releases.
So you think they'll do an AC/DC vault whilst they still have stock of KISS sitting? I don't. Also, KISS license is probably fixed term. If they End Of Life it before that term is up, it will reflect very badly on them.
No chance before mid '18 if they've recently got the license, unless other titles somehow fall through or get delayed.
I'd like to see it happen eventually, because it looks like it's the only way code will get updated. But it ain't happening soon.