SNEAKER STORES IN RIO DE JANEIRO, BRASIL?????

I apologize if this is in the wrong section, please move it to wherever you feel fit. I'm a looooong time lurker of this amazing forum/site but I haven't contributed much. I feel as if this is the best way atm for me to do so & I also really could use some help. I'm currently on vacation in Brasil and have been here for over a week now. I've been doing some shopping in various cities but no avail. For the life of me I can't find mainstream or popular sneaker models in the major brands that the spoiled North American culture is use to or at least real ones for that matter. I'm heading to Rio on Friday and I figure it's my best shot at finding some kicks before heading home. I heard a lot about São Paulo but unfortunately will not be heading there. MY QUESTION to you is where can I find a sneaker boutique or legit Nike/adidas/Jordan retailer in Rio?????? Any help would be much appreciated, thank you very much!!!!!!!!!

Can't help you dog but your sn gave me a chuckle.

At this point I appreciate the response!