Don't expect much from Super Smash bros WiiU any time soon.

In a recent interview with Smash bros creator, Masahiro Sakurai said the following in an interview with Nintendo Power:

“I can’t really say anything until things settle down with Kid Icarus…  And a lot of it will depend on the team that I end up assembling for Smash Bros.  It may take a while, but I think that your patience will be rewarded.” 

So, after the release of Kid Icarus, Masahiro Sakurai will start to focus on the next Super Smash Bros installment.
I predict that smash bros will be released in November of 2013

-Sikora