Sorry to dissapoint you, but Eiji Aonuma has already confirmed that this game has no connection to MM.
https://www.ign.com/articles/2019/06/11/zelda-breath-of-the-wild-sequel-is-not-related-to-majoras-mask
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Prediction: No Zelda HD for Wii U, quietly moved to the succesor
Predictions for Nintendo NX and Mobile