It’s after (or during the very end of) Daredevil. Claire refers to Matt and his powers, whom she met and which she learned about during the show.

He’s ALWAYS wearing purple. And when he gets injected with the “booster” by his father, his veins go purple for second before the camera cuts away.

It could be done in-story without addiction - the drug the EMT revived her with, combined with the red, could be the “origin.”

Very different mask. Patsy’s has always been a variation of this one:

Mon-el of the Legion of Super-Heroes - I prefer the looser fit, blouse-ier sleeves of this era, but any of them, really.