Frozen 2 could if it was a quality successor to the original. Remember that instant classic immediately have a tougher time producing sequels that live up.And no offense but that second idea is just wacko. I'm not targeting only you because several other people have brought up the concept various times in the past, but a Disney princess team up would be so absurd I feel it would never reach past the little girl market.I think its more likely to be something original that does it. One of Disney's upcoming films like Giants or Moana, maybe. The current Disney animation Renaissance along with the strength of coming off Frozen could really help the same way TLK did coming off of Aladdin.