My biggest hope for the end of this arc still is that everyone from U7 gets trapped on a foreign universe, and Goku has to search for all of them.
Say some of them stay in that universe for 5 years.
Tien in U4, he could learn better thief skills, Frieza in U9 and he could become the God of Destruction, 18 in U2 could learn new moves, have her limiters removed, maybe get a transformation, Gohan in U11 fighting crime, 17 in U3 getting more buffs, Vegeta in U6.
Do it for every participant, so U7 has it's own team of people from different universes protecting earth and stuff.
Wait. What if 17 becomes the U3 God of Destruction?
This isn't One Piece...