Somebody started a petition on change.org requesting Zeiss to start making full frame lenses for Pentax K mount. Few months ago Zeiss confirmed that they have no plans to start producing lenses for K mount.
A dpreview forum member contacted Zeiss and asked them about any potential ZK lenses being developed in the future – the answer was that Zeiss has no plans to bring back the Pentax ZK mount despite the recent introduction of the K-1. Here is the full email: