I don't think the problem is that the items are in the game, it's that we haven't been shown very much from franchises that are a lot more important than Kid Icarus: Uprising. How about instead of making another KI:U update that Sakurai shows us an item or assist trophy from Donkey Kong Country, Star Fox or Kirby instead?
Well, either they are secret or are just incredibly amazing they need to be shown later.
Some more I want to point out for everyone. The other content from other franchises could be unlockable. At the same time, I remember in the character discussion thread, there were people who said we should care more about gameplay then the character itself. Let's bring that logic over here for a moment.
First off the characters.
Pit was in brawl and Palutena is unique. Moving on.
Items. The thing to note about the Kid Icarus Uprising is a very item heavy series. Every weapon and item has a unique effect and that translate quite well to the Smash series as all the item offer something new. Back shield for example...protects you only from behind. That's quite the item right? Drill arm shoots a drill, Ore club shoots a gust of wind. Now someone may bring up Daybreak being similar to Dragoon, but while process may be the same, the end result seems to differ.
Enemies. Another thing to note is that Kid Icarus has a lot of diverse enemies with both unique attack patterns and ways of killing them.
Bumptiy bomb, for example, is very aggressive. However, as the name suggest, it is indeed a bomb, so it will blow up over time. So this provides you with options such as killing it before it explodes, or just trying to avoid it.
Clubberskull. Is perfectly harmless in it's normal state. However, upon being attacked, it transformed into a very powerful monster that does heavy damage. The rewards are great however.
Flage. Is unattackable and invisible until it's ready to attack.
Lethinum. Doesn't attack often, but when it does, it's a powerful laser.
Mimicutie. It's a mimic.
Orne. Instant KO.
Reaper. Most likely won't attack unless in line of sight.
Souflee. Harmless, but fast. If you manage to catch it you are rewarded heavily.
Now, let's just look at the DK series for a bit.
Now, I have no place to talk about it which is why you guys should fill me in. What DK enemies and items should appear in the game? Remember, they should add something unique to the game.
The only thing that come for me is the bee enemy from Donkey Kong Country, and the Rocket barrel. Other then that, we seem to have everything we need from my restricted viewpoint. Yes, we need some more assist trophies, but those will probably come eventually.
Feel free to fill me in on what else the DK series has to offer, (besides K Rool).