It's been revealed that Zeraora will be distributed via Gamestop starting October 19th, 2018, and running through to November 9th, 2018.
This distribution is only for Pokémon Ultra Sun and Ultra Moon. Zeraora cannot be obtained for the original Sun and Moon.
EDIT - One more!
Reshiram & Zekrom are coming to Pokemon Ultra Sun/Ultra Moon/Sun/Moon this October! Here's the details on how/when you can grab them.
- in the US they will be given at Target from October 19th through October 28th
- in Sun & Ultra Sun, you will receive Zekrom
- in Moon & Ultra Moon you will receive Reshiram
Edited by Ngamer01, 03 October 2018 - 10:28 AM.