After getting in trouble on paradise island Kara Zor-El takes on a baby sitting job as a way to get out and see more of the world. Who is she babysitting? Valeria and Franklin Richards children of Susan Storm and Dr Reed Richards of the celebrity famous Fantastic Four. when Valeria accidentally creates a real time travel machine it's up to supergirl to get the kids home.. with help from her boyfriend.. Brainiac 5. DC Comics/Marvel Comics Crossover