Like the man said, this is no joke.
The next Nintendo Direct will air on April 1st at 6pm ET/3pm PT for North America, midnight on April 2 in Europe, and 7am in Japan. Wii U and 3DS games are both slated to be discussed, and a Treehouse Live will air immediately following the Direct.
Keep it tuned to NWR for all of the breakdown of the Direct announcements.