Here is the list of tie-in books for The Avengers:
The Avengers: Battle Against Loki -This is a children’s book detailing each Avenger fighting against the trickster.
The Movie Storybook -Yay, pictures!
Avengers: Assemble! -This is a childen’s book detailing each Avenger and how they came together.
Return of the First Avenger -This is a World of Reading/Level 2 book that covers all of Captain America’s solo film and origin story.
The S.H.I.E.L.D. Files -This is another World of Reading/Level 2 book about SHIELD and the Avengers but from the perspective of Nick Fury.
The Junior Novel -This was actually a bit disappointing. It’s 167 pages. However, pages 1-127 are a rehash of what happened in the previous five films so only forty pages are devoted to the new film. Hopefully, future books will cover the second half of the film but at least, the book does come with over 16 pages of photos, including Loki, Agent Coulson and Agent Maria Hill.
Reusable Sticker Book -Do not confuse this with the earlier Avengers sticker book. This has photos as well as the movie versions of all characters whereas the earlier book strictly dealt with the comic books.
For more advanced readers, there is also:
The Avengers: Road to Marvel’s The Avengers -Five stories detail some of what happened between and before the previous films with Iron Man, Black Widow, Captain America and Agent Coulson.