One Does Not Simply Walk Into JoAnn Fabrics (And other millennial lessons from The Winter Soldier) (слэш)

What do you get when you mix one deprogrammed formerly brainwashed assassin who works at a craft store and occasionally saves the world on the side, and one chronically ill crafting youtuber who frequents his store?
You get love, obviously. Though first you get some pining, some cat herding, and some teasing from your coworkers- both the super ones and the maybe possibly super on the side when they're not at the craft store with you ones.