Marvel Entertainment and Netflix have found their showrunner for Iron Fist. Heroic Hollywood and Comicbook.com are reporting that Scott Buck (Six Feet Under, Dexter) has been attached to the new series Iron Fist based on the Marvel Character of the same name. Here is how Marvel has described Iron fist series:
"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."
Iron Fist does not have air air date scheduled as of yet. It is most likely we will not see Iron Fist until 2017. Season 2 of Daredevil and Season 1 of luc Cage will air next year and possibly followed by season 2 of Jessica Jones and Season 1 on Iron Fist.
In earlier reports Ryan Phillipe was rumor to sign on as Iron Fist. http://constantcollectible.com/2015/04/29/on-screen-ryan-phillipe-in-talks-with-marvelnetflix/