GameStop opened pre-orders for the wave 4 Smash Bros. amiibo earlier today. All reservations were handled in-store (web-in-store, to be specific), and they were never available online. A notice posted on GameStop’s Facebook account now states that all wave 4 amiibo have sold out. It’s unclear if this is only for web-in-store pre-orders, or all orders in general. If it’s...