Everyone is going to hate me for saying this, but if Smash Bros. were to get an indie character, I think Steve from Minecraft would be an interesting choice. The only thing that's keeping him from showing up is that he hasn't been on a Nintendo console yet, but who knows how long it'll be till that changes? Otherwise, Minecraft has certainly left it's mark on the game industry so he could definitely work. He certainly wouldn't just be some random character at least. Of course, Minecraft hardly qualifies as an indie game nowadays since y'know Microsoft and all
Some details on how the Day/Night cycle will affect mod support, also you can now have multiple themes in your city. Man, Colossal Order is basically giving SimCity 2013 the middle finger at this point with all their awesome announcements.