What seems to be happening, since there is no release date for anything, stores are just releasing their figures as they stock them. No store had them out in my area, and had conflicting release ideas. The only reasonable place I could find that might have some, is my local Target. They actually had hanging space and tags up for the second wave of figures, though the woman at the counter didn't know if they had them, she said they are likely to be stocked tomorrow, so I'm running out tomorrow morning to see if they have any.
I think this second wave of figures is just going to be a mess because Nintendo messed it up somehow. The third wave of figures might be fine cause it's likely two months out, but I think people are gonna be lucky to get them unless they pre-ordered online for the second wave.