As we all know, this is a forum for Kingdom Hearts. Even so, if anybody posts spoilers for Endgame anywhere on this site without spoiler tags, you will be banned.
If you change your avatar to something related to Endgame, you will be banned.
If you put something in your signature, send a message to somebody that is visibly seen, or share spoilers with somebody who does not wish to see them, you will be banned.
Well, I've yet to see confirmation of this image either way, so I won't call bs just yet (there could be some internal problems between Nintendo and Monolith). It's still "unlikely", but not impossible.