As it's already been alluded to, I wasn't expecting much out of Nintendo going into 2017 either. After being disappointed by Skyward Sword and the Wii U, I thought Nintendo's magic had run out, that they were destined to be the next Sega and go third-party. And then Nintendo dropped this epic gem of a trailer on us, original theme mixed in and all:
https://www.youtube.com/watch?v=zw47_q9wbBEThe rest, as they say, is history.