Long before recent events turned their lives upside down, Damian Wayne and Jonathan Kent joined forces to take on a threat like they'd never faced before. Led by Rex Luthor and Joker Jr., these intergalactic scions of destruction call themselves simply the Gang. And they'll stop at nothing to stamp out the Super Sons' crime-fighting careers in this or any other reality! Soon Superboy and Robin find themselves on a mad quest throughout the Multiverse, with each stop stranger than the last. On every world they visit, deadly new foes and arcane new allies await--including, perhaps, their own future selves. And wherever they go, the Gang is right behind them, ready to take them out the moment they slip up.