Fujifilm already are part of one of the two remaining major medium format players (Hasselblad/Imacon/Fuji - the other being PhaseONE/Leaf/Mamiya/Schneider). It is quite inevitable that they are doing medium format R&D. The question is whether they will return to market it under their own brand - this will probably depend more on Hasselblad (who in recent years appear to lack any discernible direction other than towards chaos and decadence) than on Fujifilm...