While you're probably not going to be able to buy the Kaws x Air Jordan 4, there's a good chance the "Royal" Air Jordan 1 Retro will be part of your rotation when it returns next weekend.
J23app provides release maps for Foot Locker and Footaction, both of which indicate plentiful availability next weekend.
Furthermore, J23 compared the launch locations for the "Royals" to other recent Air Jordan 1 releases and it stacks up favorably. Find out where you can buy your pair next Saturday, Apr. 1 by checking out the launch locators for Foot Locker, Footaction and Champs Sports.