Update: GameStop now has a page on their website for it. Pre-orders seem to be live, as well.
Wolfenstein: Youngblood was unveiled in Bethesda‘s E3 2018 conference last night. However, Bethesda never stated what platforms the game would be on. That said, it seems that GoNintendo has received word from a GameStop “anonymous source” indicating that the game may be coming to the Nintendo Switch. GameStop has a listing for a Switch version of the game in their database, as well as a placeholder date: