Marvel Avengers: Call for Backup- Pearson English Kids Readers (Level 3)

Iron Man takes the leaders of Earth to the Moon Base. Then they are ambushed by Thanos, who wants to take them hostage.

Iron Man knows he has to get help. He has many friends. They are super heroes and can fight Thanos.

Who answers the call for backup? Can they stop Thanos and his dangerous army?

Based on the popular series, Marvel.