Super wide Distagon 15mm f/2.8 for SLR available May 2012

Official statement from Zeiss blog:

Close up: the new super wide angle lens from Carl Zeiss

Although the 'super wide angle lens' isn't spelled out, you can rest assure that it will be the rumored Distagon 15mm.

Available in May!

Link: http://blogs.zeiss.com/photo/en/?p=1520