At a Korean Photography Expo Samyang did show this new Samyang 35mm f/2.8 autofocus FE lens. It has the same specs and similar size of the Zeiss 35mm f/2.8 FE lens. But it will be cheaper (no exact info yet). The autofocus performance is said to be similar to the Samyang 50mm FE.
UPDATE: Here is a video showing the lens: