It appears as though a host of high profile games have had their release dates leaked by a Nintendo distributor in Spain.
The game that everyone is looking forward to; The Legend of Zelda: Ocarina of Time 3D is currently scheduled to be released on June 17th. Whilst May 6th will apparently see the release of several high profile games such as Kid Icarus: Uprising, Star Fox 64 3D and Resident Evil: Mercenaries.
Source: http://gonintendo.com