Share the growing pains of Marvel's super-powered siblings, Power Pack! Still getting used to their mixed-up abilities, Alex, Julie, Jack and Katie take on an old foe - with help from the New Mutants! But the Bogeyman becomes more monstrous than ever amid a demonic invasion that changes everything! The Punisher drops by, Franklin Richards returns, and the Pack head to space for a revelation-filled rematch with the Snarks! The kids struggle with peer pressure, pollution and puberty - and Alex goes through some very unexpected changes! But will the Powers' powers ever go back to normal? Collecting: Power Pack (1984) 37-62, Excalibur (1988) 29, Power Pack Holiday Special (1992) 1, Power Pack (2000) 1-4, Fantastic Four (1998) 574, FF (2011) 15, Power Pack (2017) 63, Power Pack: Grow Up! (2019) 1, material from Marvel Super-Heroes (1990) 6, Marvel Fanfare (1982) 55