Nintendo president says new titles will turn around lackluster Wii U sales . Japanese company has kept low profile at this year 's E3 video-game expo . Comment: New `` Mario Bros. , '' `` Zelda '' and `` Donkey Kong '' titles are on the way .
Nintendo president says new titles will turn around lackluster Wii U sales . Japanese company has kept low profile at this year 's E3 video-game expo . Iwata compares Wii U to Nintendo 3DS , which started slow then picked up . New `` Mario Bros. , '' `` Zelda '' and `` Donkey Kong '' titles are on the way .