well for starters they will kind of do their own thing then after things get established on both sides Zeuse/Jupiter and Hera/Juno will appear to the camps and let them know that the two camps need to join forces again to battle the titans and monsters again all but Kronos who is still trying to reform in Tartarus. Then the two camps will send out teams of campers (Our characters) to meet in Greece and take down the Titans.