You may have a variety of reasons to be excited about Marvel's Iron Fist, but if seeing Finn Jones' Danny Rand in the superhero's classic costume is one of them, we have bad news. That isn't going to happen, at least not yet!
Iron Fist show runner Scott Buck recently told SFX Magazine (via Games Radar) that the titular superhero will be seen in neither costume nor mask during the first season:
There was no good reason we could imagine to put Danny Rand in a costume. Because Danny Rand is still discovering who he is as a hero and where he is going to be, so he's not yet ready to put on a mask or a costume.
Among the remaining Defenders who have standalone Marvel/Netflix series, only Charlie Cox's Matt Murdock, aka Daredevil, fights crime in costume. But, unlike the other two, Krysten Ritter's Jessica Jones and Mike Colter's Luke Cage, Jones' character may not be comfortable with being costume-less:
[A]t the same time, he is someone who is rather well known as a billionaire, so he can't necessarily go out in public and do the things he does without being recognized. It does become an issue for the character.
At last year's Wizard World Chicago Comic Con, Charlie Cox claimed that Iron Fist would appear as a costumed superhero in the premiere of Marvel's The Defenders, which takes place later this year. Perhaps the classic costume and mask will be introduced in the crossover miniseries rather than in the superhero's standalone series.
Buck went on to note that an effort is being made to keep the show "extremely grounded and real" as they tell stories "through characters". He added that they like to hint at mystical aspects, as well as the idea that "there is something bigger and larger out there". However, they aren't delving into it "all that deeply".