I'm an intern at CA and managed to snatch these steaming hot insider infos. Enjoy!
TOP SECRET UPDATE PLANS [CONFIDENTIAL]
There will be more streams of 3K.
Warhammer 2 will get a Lizardmen/Skaven LP with a Lizardmen FLC sometime before the end of 2019.
Bretonnia will get an update, but we're not telling you what you can expect.
Warhammer 3 will be dark and we cannot say anything and it will be released before 2525 (not sure, actually).
Forward onto Slaughter.