It wont go mutliplatform, since Nintendo payed for the game.But as to wether we will see it in other Nintendo platforms, namely the Switch, is another matter altogheter.I personally hope so.Bayonetta deserve the love and Bayonetta 2 would certainly blossom on the Switch
My (locked) thread about how difficulty should be a decision for the developers, not the gamers.
https://gamrconnect.vgchartz.com/thread.php?id=241866&page=1