Some may say that this is the Marvel vs. Capcom 2 Killler...THEY'RE RIGHT!
When you play TvC:UAS, don't get the killer action you used to from the Marvel VS. Series or consider you'll be scoring it a 4 or lower, but if you've one of the lucky few who played it in the arcade or bought Cross Generation of Heroes on the Wii in 2008 or last year, you know Capcom and Tatsunoko have been hard at work for the US Release of this game.
With the graphics being "anime-ish" and cartoony...well that means it's perfect. With the Capcom's All-Stars...(for the first time in any VERSUS game, the others out number the fighters eight to five!) I believe that get more of the newer characters (Soki from Onimusha, Frank West from Dead Rising, PTX40A from Lost Planet. And as well as fan faves like Ryu, Morrigan and Zero from the Megaman X series [the fan's favorite from the Megaman series].
I like this game but it may not do too well here with sales, this is because everyone wants a MvC3, but who knows, but if you're into old school anime faves like Battle of the Planets and Teknoman, as well as new faves Casshern and Karas, and some newcomers like Yatterman (although that's an old schooler, and it's 2008 reboot)
You ain't got a Wii, wait til' late March, early April for the super-cool Super Street Fighter 4, if you do and you're looking to blow the dust off the Wii (We all know your wiis are collecting dust, try it out. Then again most people here are ready for the Online Mode that everyone wants to try out. I am too, but I don't play online. [But that's a biased opinion]
Overall this game is a great title in the fighter genre for the Wii, if you don't like it, sell it. You won't be disappointed if you keep it!