I believe it is sarcasm, but with the death of E3 anything is possible.
That said, I’d say it is more likely to see Nintendo announce it at the Tokyo Game Show instead. (This would put it at late September, which is right around when the Switch was revealed back in 2016.)
Ah yes, Nintendo does have a long tradition of making big announcements at Gamescom, after all.
What have they announced in the past?
I believe it is sarcasm, but with the death of E3 anything is possible.
That said, I’d say it is more likely to see Nintendo announce it at the Tokyo Game Show instead. (This would put it at late September, which is right around when the Switch was revealed back in 2016.)