Which Murphy bed do you mean?
The single bunk-size Murphy in the living room will most likely not appear in BCV or BWV, because there's not enough room for it on that wall. BCV and BWV do have those small Murphy beds in the studios.
BCV and BWV will get the queen-size Murphy replacing the sofa bed in the living room. So there will still only be two sleeping surfaces in a 1BR - the king bed in the bedroom and the queen Murphy in the living room.
All WDW
DVC resorts, with the likely exception of OKW, will get the Murphy beds replacing sofa beds in the living rooms (queen size) and the studios (double size) as they undergo refurbishment over the next few years.