Legacies and one big problem

All of the hero's have died in crisis the only peopLe that could save the world were their children Nora west Allen and Bart west Allen the twins of Barry Allen aka the flash and iris team flash jordon and Jonathan the kids of Clark Kent aka Superman and Lois and there's Mia smoke the daughter of the beloved Oliver queen aka arrow and now these kids must save the universe to bring back their parents and to live their legacy they'll be facing general zod and revere flash who actually shows pity for Nora and Bart they showed him what it's like to have kids when they were students of his