For those living in North America, there is apparently gonna be a restock of Ness and Dedede amiibo at GameStop on July 9th.
https://www.reddit.com/r/amiibo/comments/3bwacb/gamestop_restock_ness_dedede/?ref=search_posts
"Just for comparison Uncharted 4 was 20x bigger than Splatoon 2. This shows the huge difference between Sony's first-party games and Nintendo's first-party games."