Both Wal-Marts in Port Arthur TX have dabbled in dropping ROTF merch on their shelves, but I've been denied at both..
Port Arthur-Groves Wal-Mart on Twin City had their entire stock on shelves the night before Star Trek hit theaters. Attempted to buy Voyager Prime and Deluxe Sideswipe, and they rang up "Sale Not Allowed." CSM told me they were recalled and I nearly hit the roof (impressive with Wal-Mart's high ceilings..). I called Customer Service and they called the store, told me they weren't supposed to be sold yet, and they were pulling them back off the shelves as we spoke. Sure enough, I come back the next day, and they've tried fill the gaps with a few of those ugly Terminator Salvation toys. Most of the space is STILL sitting empty.
Port Arthur Wal-Mart had Gravity Bots and Legends Class ROTF toys on shelves the night of the 14th, but again refused to sell them, even after midnight. I was rather upset, naturally, and told them to pull them off the shelves if they wouldn't sell them.
Port Arthur Target, on the other hand, has had their Robot Heroes on the shelves for at least a week and happily sells them. Checking the Beaumont Target later this evening.