Katushiro Harado, game director/producer of the Tekken series, stated on Twitter today that Masamichi Abe was working on an original title for Nintendo, in response to a question:
He is in Nintendo Kyoto now. working on some Nintendo original title RT@2Andrin what happened to Masamichi Abe? Is he retired?
— Katsuhiro Harada (@Harada_TEKKEN) November 26, 2013
Another Twitter user asks for more clarification but never receives it :
— Meelow (@Meelow100) November 26, 2013
For reference, Abe has worked on several titles for Nintendo in the past, including Pikmin 1 and 2, Metroid Prime Hunters as well as a designer for Mario vs. Donkey Kong: Minis March Again! It’ll be interesting to see what sort of new game Abe churns out if this turns out to be true.