FYI - here is the Amazon link to the physical copy on the off chance you didn't have it saved. Check back often, but I honestly think the launch day window has passed at this point.
https://www.amazon.com/Splatoon-2-Nintendo-Switch/dp/B01N9QVIRV/ref=pd_sbs_63_1?_encoding=UTF8&pd_rd_i=B01N9QVIRV&pd_rd_r=EZNMR59K6N4BC3SB0BBH&pd_rd_w=DukER&pd_rd_wg=lTR4k&refRID=EZNMR59K6N4BC3SB0BBH&th=1