This Step 3-leveled reader about Captain America features both heroes who have borne the shield: Steve Rogers and Sam Wilson!In this action-packed story, young readers will learn about both Marvel Super Heroes who have carried the mantle of Captain America—Steve Rogers and Sam Wilson! Learn each of their origin stories, how they stepped into the role of one of Marvel's greatest Super Heroes, and how they came to join the Avengers as they team up for an incredible adventure!Step 3 readers feature engaging characters in easy-to-follow plots about popular topics. They are for children who are ready to read on their own.