The last time Prey 2 showed up on our radar in a significant capacity was around GamesCom last August. As IGN notes, GDC talks planned for the game were cut a few weeks before the show.
This isn't the first time this year a high-profile Bethesda title made its way into the rumored cancellation mill, as DOOM 4 went through the experience twice in six month. The difference? Bethesda flat-out stated "DOOM 4 isn't cancelled."