Marvel's Iron Fist: 44 Easter Eggs & Reference You Must See

10. Sweet Christmas! I Know That Shirt!

Clearly, being in communication with Luke Cage has had a big effect on Claire Temple. At two different points in the show she utters his immortal line "Sweet Christmas!" in the same way he would.

She first utters it in Episode 6, to the mild amusement of all watching fans, and then in Episode 9 she says "Sweet Christmas, it worked!" in shock.

As an additional reference to their relationship, there's a scene in Claire's apartment which sees her give Danny a beige T-shirt with a bullet hole in. No guesses who that belonged to...