So, apparently Gamestop has already taken a pre-order of Bannerlord, saying that the game would be available approximately on 12th of May, +- a month or so. I don't know what to think about it yet, here's a reddit thread that made the claim:
https://www.reddit.com/r/MB2Bannerlord/comments/a7inzh/i_preordered_at_my_local_gamestop/
EDIT: Another link to Austria's gamestop website, in case you're too lazy to check the reddit thread: https://www.gamestop.at/SearchResult/QuickSearch?q=Bannerlord
https://www.reddit.com/r/MB2Bannerlord/comments/a7inzh/i_preordered_at_my_local_gamestop/
EDIT: Another link to Austria's gamestop website, in case you're too lazy to check the reddit thread: https://www.gamestop.at/SearchResult/QuickSearch?q=Bannerlord