I looked at my local Microcenter for this a couple weeks ago but couldn't find it, and it's not listed on their website. Was it in the books section? Not that I like Microcenter, but I still remember back in the day when they used to sell copies of Amiga Format and other mags, and kind of wanted to support them out of nostalgia.
I got the sense that it had pretty much just arrived, so if you go back it'll probably be there. Yes, it was the books/magazines section.
Micro Center's inventory management of magazines is quite poor. They also sometimes carry a photography magazine that I like (another UK import), but their stock is highly irregular and it's never listed online. The only way to know what they have is to go there. Fortunately for me I live very close by
I do miss the good old days when they had stacks upon stacks of Amiga mags...