We have no clue what to expect other than Zelda. We know there will be Zelda. Oh, and we know there won't be NX. But, we have no clue what else Nintendo has planned and we're hoping to be pleasantly surprised. Nintendo is definitely the wild card at this year's E3, though.
9:00am to 4:00pm PDT
Nintendo will also be streaming the Nintendo Treehouse: Live @ E3 #2 the following day.