Just received notice from Walmart.com that they have 4 of their 6 Exclusive 3.75-Inch Retro Collection Wave 2 Figures in stock as of this post. They are sold and shipped by Walmart.com. Price is $9.84. Below are the direct links.

Update: Luke (Bespin) is now in stock as of 6:30pm central time.

In stock figures:

Leia (Hoth)
Han (Hoth)
Luke Skywalker (Bespin)

Out of stock figures:
Boba Fett