That’s in the cards, remember they setup 3 sequels all in the first one (Catwoman, Ivy and Batgirl)
She was confirmed for a project, then teased in Kunoichi 3. In time
They didn’t outright abandon them either. Some like the Witcher project just weren’t viable for SFM. You may be pining for those days, but that program is a nightmare to make films with and they’re happy to have left that hunk of junk behind xD
You’re not really seeing a difference because of the nature of a game’s design. Quite a difference between film and gaming structure.
Development’s bumpy, but my estimate for completion of the game is 2024, they’re about to add the 7th of 10 ladies in a couple of weeks. Hopefully the devotion quest cinematics will be a proper indicator of how good UE4 smut can look.