The event five years in the making! Only one force in the universe can bring Jake Roth (THE F1RST HERO), Molly Danger, Virtue (from FRACTURE), Midnight Tiger and Stray together. When the mysterious Cascade threatens the universe, Action Lab’s greatest heroes heed the call! But as the mystery of Cascade’s power deepens, only Molly’s arch-enemy, Medula, holds the answers--but in their darkest hour, will he be friend or foe? Collects Actionverse #0-6.