UPDATE 15/07/2014 8.30pm: Sega has clarified that it could potentially release its catalogue on the Wii U Virtual Console in the future. The publisher offered Eurogamer the following statement on the matter:
Sega would like to clarify a statement that was issued over Twitter. All options are currently on the table concerning development for the Wii U Virtual Console. Although there are no immediate plans, this does not negate the possibility and exploration of creating for this platform.
ORIGINAL STORY 11/07/2014 10.59pm: One of the Wii's most notable features was its Virtual Console that offered a pretty comprehensive selection of retro games on older Nintendo hardware. The Wii U's Virtual Console, however, is somewhat lacking and Sega's CS research and development producer Yosuke Okunari recently confirmed on Twitter that the publisher has no plans to bring its older games to the Wii U's VC. (Thanks, GoNintendo.)
When asked about putting old Sega games on the Wii U Virtual Console the Japanese producer simply stated, "There is no such plan."
Twitter user PBZReviews was crestfallen as they were really hoping for some Master System games on Nintendo latest console. At this point Okunari suggested the fan "introduce your hope into Sega West."
On that note, we've requested comment from Sega's western side to confirm that this is the case in North America and Europe as well, but have yet to hear back.
Of course, the Wii U is backwards compatible with the Wii, so you can still play these games by entering "Wii Mode," but they're not going to have Wii U specific features like Miiverse integration or Gamepad support. (Well, technically you can play them on a Gamepad, but need to use the Wii Remote as a controller, and who wants to do that?)