Capcom, publisher of not one or two but three well-received games so far this year (Resident Evil Requiem, Pragmata, and Onimusha: Way of the Sword) is opening its first retail store in the U.S. It’ll be a pop-up in Little Akihabara in Little Tokyo, Los Angeles. The grand opening is this Saturday, September 19, and “a limited number” of attendees have a chance to play the upcoming Mega Man: Dual Override on Saturday and Sunday. Meanwhile, the first 50 shoppers…