The Avengers is a set based on the Marvel film The Avengers. The set also featured characters from the Marvel films Captain America: The First Avenger and Thor. The Avengers was the first set to introduce the Team Pack. While most of the figures were available through single figure boosters, there were also larger boosters containing 3 characters that followed a specific theme. Accompanying the set was a release through general merchandise retailers like Target and Wal-Mart, known as the mass market. The mass market release was 11 figures from the regular set with all new dials, bringing the total number of figures to collect to 54.