This info comes from a Neogaf member with an inside” source.

Like all rumors, it is hard to comment on the truthfulness of these details. Even if the details end up being false. I would not be to surprised if Nintendo had a schedule similar to this during E3.

Late May / First Week of June

  • Pre-NintE3do Direct: Wii U & Nintendo 3DS. Summary: Join us for our worldwide announcement of Nintendo’s E3 Expo plans for June 10th through June 13th. In this direct, Nintendo Co Ltd. President Satoru Iwata will clarify a few names, logos and release dates for upcoming Wii U and Nintendo 3DS software that we will be exhibiting at E3. Furthermore, Mr. Iwata-san will detail how our new E3 structure will work including software updates that will allow you to view Nintendo E3 information where ever you go. (Late May, first week of June.)

June 10

  • NintE3do Direct: Wii U & Nintendo 3DS Social Software. Summary: Welcome to our first ever Nintendo Direct from E3! Before we announce all of the video game software Nintendo plans to release this Summer and Holiday in 2013, Nintendo Co Ltd. President Satoru Iwata would like to go into detail a list of software updates for Wii U and Nintendo 3DS and how new social games and applications such as Wii Fit U and Mii Kabuki Theater will leverage those features in the following months. (June 10th)
  • NintE3do Direct: Iwata Asks Wii U Zapper. Summary: In our first installment of Iwata’s Asks, Nintendo Co Ltd. President Satoru Iwata will interview hardware developers and key software developers at Nintendo R&D to how the Wii U Zapper was designed and created to expand the game-play potential of the Wii U GamePad.
  • NintE3do Direct: Iwata Asks Disney Interactive Studios. Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will talk to our friends at Disney Interactive, investigating how Disney’s newest properties such as Star Wars [unless EA is making a SW game for 3DS, then I’m not so sure about this], Disney Infinity and Planes will offer unique game-play experience on Wii U and Nintendo 3DS. (June 10th)
  • NintE3do Direct: Iwata Asks Ubisoft. Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will interview Ubisoft President Yves Guillemot and the rest of the development staff at Ubisoft as they showcase the huge list of games Ubisoft will bring to the Wii U and Nintendo 3DS platform such as Watch_Dogs and Rayman Legends. (June 10th)
  • NintE3do Direct: Nintendo eShop Showcase: [I didn’t feel this had enough ground to add into the article, I might post it in a future article.]

June 11

  • NintE3do Direct: Wii U Software Showcase. Summary: Welcome to the Nintendo Direct E3 Wii U Software Showcase. Nintendo Co Ltd. President and Nintendo of America CEO Satoru Iwata and Nintendo of America President Reggie Fils-Amie will showcase brand new titles coming to the Wii U.First footage will be shown of Super Smash Bros, Super Mario Wii U, Mario Kart U, Yarn Yoshi, and Project X and more as well as key titles from our partnerships and third party software publishers. (June 11th)
  • NintE3do Direct: Nintendo 3DS Software Showcase. Summary: Welcome to the Nintendo Direct E3 Nintendo 3DS Software Showcase. Nintendo Co Ltd. President and Nintendo of America CEO Satoru Iwata and Nintendo of America President Reggie Fils-Amie will showcase brand new titles coming to the Nintendo 3DS. More footage will be shown for The Legend of Zelda: Return to the Past, Mario Party 3D, Mario & Luigi’s Dream Team and Pokemon X & Y as well as key titles from our partnerships and third party software publishers. New unannounced titles for Nintendo 3DS will also be shown. (June 11th)
  • NintE3do Direct: Iwata Asks Retro Studios: Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will interview the talented people at Retro Studios as they go in depth on their latest game for Wii U that has been years in the making, a huge undertaking to create something nobody has seen before! (June 11th)
  • NintE3do Direct: Iwata Asks Platinum Games. Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will interview the Japanese hardcore gamer darling, Platinum Games, as they go deeper into how the Wii U gives the studio an amazing canvas to create fast paced, hard edged action games. New footage from The Wonderful 101, Bayonetta 2 and other projects will be spotlighted.(June 11th)
  • NintE3do Direct: Iwata Asks Monolith Soft. Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will interview Tetsuya Takahashi and the rest of the Monolith Soft staff on how the Wii U and Nintendo 3DS allows them to dream and design bigger than ever before. New footage from Monolith Soft Wii U and Nintendo 3DS projects will be shown. (June 11th)
  • NintE3do Direct: Super Smash Bros Direct. Summary: Welcome to the first ever Super Smash Bros Direct! In this first episode, Super Smash Bros creator and President of Sora Ltd. Masahiro Sakurai will give a detailed tour of the game’s new mechanics as well as the relationship between the Wii U and Nintendo 3DS versions of the game. New footage from both the Wii U and Nintendo 3DS games will be shown. (June 11th)
  • NintE3do Direct: Miyamoto’s Inside Story. Summary: In this special Nintendo Direct, join legendary video game designer Shigeru Miyamoto as well as General Manager of EAD Software Development Department Takashi Tezuka, Nintendo EAD Tokyo Development Group Producer Yoshiaki Koizumi, Mario Kart Producer Hideki Konno, Pikmin Producer Hiroyuki Kimura and Legend of Zelda Series Director Eiji Aonuma as they explore the workings of Miyamoto’s design philosophy in the newest Wii U and Nintendo 3DS games announced at E3 2013. (June 11th)

June 12

  • NintE3do Direct: Iwata Asks Activision. Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will interview Activision CEO Bobby Kotick as they review all the amazing games Activison will bring to Wii U and Nintendo 3DS platforms from Call of Duty Ghosts to Skylanders: Swap Force and more! (June 12th)
  • NintE3do Direct: Iwata Asks Capcom. Summary: In this Iwata Asks, Nintendo Co Ltd. President Satoru Iwata will interview Yoshinori Ono as they dish out news of Capcom’s new endeavors on Wii U and Nintendo 3DS. (June 12th)
  • NintE3do Direct: TOP SECRET IWATA ASKS– June 12th– Summary: [Not enough ground]
  • NintE3do Direct: Iwata Asks Square Enix– June 12th– Summary: [Not enough ground]
  • NintE3do Direct: Iwata Asks Sega– June 12th– Summary: [Not enough ground]
  • NintE3do Direct: TOP SECRET IWATA ASKS– June 12th– Summary: [Not enough ground]

June 13

  • NintE3do Direct: Pokemon Direct– June 13th– Summary: Welcome to the newest installment of Pokemon Direct. In this edition, Pokemon Game Director Junichi Masuda will give us an in-depth look into the brave new world of Pokemon X and Pokemon Y for the Nintendo 3DS. New Pokemon will be revealed and new game-play mechanics never seen before in the series will be featured.
  • NintE3do Direct: Nintendo E3 2013 Conclusion– June 13th Summary: Thank you all for tuning in to the Nintendo E3 2013 Direct Experience. Before we close shop, Nintendo Co Ltd. President Satoru Iwata would like to express his thanks for those who support Nintendo with our Wii U and Nintendo 3DS products as well as recap all the biggest highlights and buzz from you, our fans.