According to recently rumors from CR, Zeiss will announce a new Otus lens in this September, 2015. This new Otus lens will be a wide angle prime lens.
Zeiss has released two Otus lenses already: Otus 55mm f/1.4 and Otus 85mm f/1.4. both are best lenses according to DxOMark. According to rumors, this new Otus wide angle prime lens will be a 24mm f/1.4 or 25mm f/1.4, not previous rumored 35mm f/1.4.
Read More: Zeiss Rumors