The Dark at the End of the Tunnel - S2-E12
Visible crew/equipment: When Frank closes the door to the shed, you can see a crew member in the trees to the right swaying left to right as if he were looking for something. (00:45:15)
Visible crew/equipment: A random hand appears on the left side of the screen when Matt is punching Fisk. (00:33:59)






Answer: There are none. Only nods to the comics.
MasterOfAll