So it's been confirmed that the showrunner for the Iron Fist Netflix series is going to be Scott Buck along with an official synopsis:
>Returning to New York City after being missing for years, Daniel Rand fights against the criminal element corrupting New York City with his incredible kung-fu mastery and ability to summon the awesome power of the fiery Iron Fist.

So now we can finally put those "Iron Fist is cancelled" rumors to rest.