Hot on the heels of their adventure with the X-Men, Power Pack returns for another titanic team-up... and this time, it's Earth's Mightiest Heroes leading the charge!
In this issue: the Marvel Universe's youngest heroes join the battle alongside one of its oldest -- the legendary Captain America! Can the kids help Cap track down a dangerous old foe, or will their youthful inexperience make them four thorns in the Star-Spangled Avenger's side?