Krystal is terrible, especially as a partner, she kills herself and cannot get any KOs.
Speaking of partners, I'd like to note that regardless of any level I set they all fight as if they were level 8s. When I first played I set them at 1 to get used to them, and they weren't all so level 1. Didn't expect level 1s to dodge so much roll around do combos and shield all the time.
Snivy is also terrible, especially Energy Ball as a B move. Snivy is fairly weak, if you're actually going to keep her in at least give a bit more use to Energy Ball, Leech Seed and especially Leaf Blade, Leaf Blade could be used like Marth's Dancing Blade (it's called something like that) as a combo of some sort.
Lucario is very good, mostly thanks to the fact he now uses aura much more.
Knuckles is also good, his B move is a bit confusing though, winding up your arm just to spin around with it doesn't seem all that clear to me, but he's still a complete powerhouse.
Shadow would be better if his recovery was boosted a bit, his teleporting is terrible for such a short range.
Mewtwo is also sort of like Shadow in terms of aerial moves, and possibly B and up B but what makes him better is his floating which helps if knocked off from the side. Mewtwo got a very much deserved buff.
Weegee is a fun character, his down smash is straight OHKO if above maybe 30-50%, I also find that laser eye that turns others into him funny.
Regular Ryu is kind of weak. Evil Ryu is much more powerful, probably slightly slower when doing moves.
Fox and Falco are still good.
Ganondorf is much different, and benefits a bit from it, that purple tornado he throws is a little weak too.
Pikachu and Pichu... not that much different, still has their uses.
The Links are fine too.
Samus is a bit weird in the suit, I find her a weakling to fight against. Can't say the same about Zero Suit though.
Marth can use some more polishing, I like the side B though a lot, it feels it can use more attacks in it.
Sonic spin dashes too much, and he is also pretty weak, not that that's a bad thing.
Mach Rider is a cool character too, he can use combos well with down B and up B, the motorcycle probably can use some polishing.
Phoenix Wright... what the hell? I can see why you're going to balance him more, he "gathers evidence" and then pulls out a judge thing, says I have committed a crime or something like that, then bang.
Porky is a weird one too. He's powerful as well, don't see use for Down B though.
There is a problem with Lucas as a CPU, if I fight someone along with him, there's a point where he'll get hit and remain stuck in either a hurt sprite or a PK Thunder kind, or crouching for the rest of the match.
Jigglypuff, I think could use alternate form of Wigglytuff. It could be on the defensive side.
Ridley is fun to use. He fights like a monster and hits like one.
Most stages don't work as well, but I think that's a demo thing.
I think that the aforementioned characters that I have noted bad aspects of could use some changing, especially Snivy.... Snivy is god awful. And so is Krystal right now.
I thoroughly enjoy Super Smash Brothers Crusade and I expect many more good things to come from it.