I drive by a Walmart twice a day, Monday through Friday on my way to and from work. I used brickseek.com to check the SKU number, and it says that store has 18 of the Scarif Trooper. I have gone in almost daily, and as of today, they STILL do not have the figure out on the sales floor. I had someone check the number, and they did say there are 18 in the stock room. But no one can tell me when they will make it to the floor. I do know another store about 20 minutes from my house has them out, as that is where I got my first two. It's going to be easier for me to just make the drive to that store, and get the last two I am looking for.
This is just one reason why Walmart should never be able to acquire exclusive items. They are very poorly managed, and communication from corporate office to store lever concerning the exclusive items is almost non existent. Walmart employees generally look at you like you have three heads when you ask about an item. If they can't just point to it, then it must be "sold out". I even had one lady try to shove a Funko Pop figure in my hand and claim that was the figure I was looking for!
I can also confirm that not every store will get exclusives. Last year, when the Battlefront figure came out, only ONE of the three local stores got it in stock. There was one left the day I found it.