The backend codes for Nintendo's websites for Europe might have spilled information about the release date of The Legend of Zelda: Breath of the Wild's amiibo figures.
A bit of info
For the benefit of all uninformed, amiibo is Nintendo's protocol for wireless storage and communications, for application between compatible figurines based on a videogame or any Nintendo character, and/or the Wii U and Nintendo 3DS platforms. It was rolled out in November 2014 in the via software updates and with a series of Amiibo-enabled figures.
Amiibo can be directly paired with the New Nintendo 3DS series and Wii U GamePad. The rest of Nintendo 3DS series require an adapter. 36.9 million Amiibo have been sold, with it are 28.9 million Amiibo cards.
Back to the story
Based on the data in numerous Nintendo of Europe sites, and as originally reported on Reddit - which by the way, is the leading source of speculations to most likely become true, the 3 Breath of the Wild amiibo are tagged within the source code implying a release date of 3/4/2017. IGN has confirmed the presence of this date string in the site's backend code and also on the French and UK websites, as sampled in the screenshots below:
