She's with Kakashi and Shika and they came from literally NOWHERE. It's like they took a poll on popular characters to randomly stuff in for the end shot.

I died laughing here. Died lotsly. I was laughing so hard my dogs were running around barking trying to figure out what was going on.

I think that is exactly what they do though. I mean look at the DBZ movies if you want to see the same thing in action.