The new Olympus E-M5 II is currently in stock at Amazon (via third party reseller, available also in silver). The Amazon listing also mentions the three upcoming Olympus MFT lenses:
"Scheduled to arrive 2015 and onward are the M.ZUIKO Digital ED 7-14mm f/2.8 PRO, M.ZUIKO Digital ED 300mm f/4 PRO and M.ZUIKO Digital ED 8mm Fisheye PRO"
According to B&H the camera should start shipping in the US on February 27, 2015.