A bunch of Smash Brothers Wii U / 3Ds information coming from a Joystiq interview with Masahiro Sakurai:
-no cross-platform play -each version has completely different stages -take characters that you have customized and transfer them to the Wii U version -customizations won't be costumes, won't have to be unlocked through repetitive tasks -working to create "stress free, easy connectivity" between the two versions -no comment on the return of the stage editor
Previous comments have suggested that both versions will share the same character set.
They did say that this time around a unique addition to the game would be that each character had a unique approach.... or some such phrasing. So maybe you can customize your character movesets? Who knows.
But if they have confirmed no DLC then my excitement for the game just went even higher
Disappointing, but I understand that it must be a licensing nightmare. I'm still hoping that at least Sonic, Snake, and one or two others will be included in addition to Mega Man. I know it's a Nintendo fighter, but classic third party characters are a nice addition.
With Megaman I'm wondering if you can change character modes to unlock a new set of moves. Let's say you do some combo to change into Crashman mode... you are then limited to Crashman's palette of powers but unable to access MegaMan or other boss powers. That limit could be for the remainder of the round or until you put in a new combo for a new character. Think mimic characters in other fighters.
If this were the case I can see it being an overpowered character for more hardcore players. It would be extremely tough to balance. Make him too weak and he's gimped for inexperience players... make him on the same plateau as other characters and he'll be exploited.
I don't even necessarily want player customizable costumes. I just want different set versions of characters to mix everything up. So, say, you can choose to play as Skyward Sword Link or Ocarina of Time Link... Sonic or Super Sonic... Mario in various power-up suits... male AC Villager, female AC villager, or even Tom Nook.
It wouldn't affect the characters' movesets or animations or anything.