That is like ...nothing, then you have like no idea how omnipresent this type of pop culture is (for good or for worse). Of course iranians watch these types of movies and of course an iranian hacker would be aware of the mask symbolism
Not saying this is the case here (for TV this is probably well considered and it's not the standard Chinese mask which is the 'smiling' version) but there might be more than one explanation especially for seeing them on the street during protests.