el/ea vrea [subjunctive: să vrea = să vreie]
ei/ele vreau = vor [subjunctive: să vrea = să vreie]
I am not sure if the preposition "in" is quite correct in English.
Is a supermarket also magazin? Can magazin mean any shop?
I heard them also saying market for a supermarket. I don't think it's a rule though. So, according to my experience, it does mean any shop