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? It''s all-ages action and adventure in the mighty Marvel manner! Don''t wait for the digest... Join the Pack now!