It would come from Crash Bandicoot N. Sane Trilogy a clue that could be very convincing, regarding the arrival of Spyro: Reignited Trilogy also on Nintendo Switch.
A Canadian user, on Reddit, revealed that he had his copy of Crash for Switch in advance: it signals, once the game has started, that it is no longer possible to enter the secret code to unlock the Spyro video, which is Instead it was integrated directly into the menu with a special entry.

If so, it would make little sense to publicize Spyro’s arrival to Switch users if it was not because the game is also expected on the Nintendo console.
We are awaiting communications from Activision, which for now has announced the release of the box only on PS4 and Xbox One for the next 21 September.

Would you like to play Spyro classics refreshed on Nintendo Switch?

Source: Reddit