Résumé: Earth's Mightiest Heroes vs. Marvel's Most Wanted, and more! The crisis of the Eighth Day pits the Avengers against the unstoppable force that is the Juggernaut, while Triathlon's first day as an Avenger takes the team south of the border and back in time thousands of years! And how does the mystery of Madame Masque match the curse of Count Nefaria?