This is a three-way crossover between Alvin and the Chipmunks, Transformers, and The Avengers. This is a sequel to The Cybertronian Chipmunks. The Avengers must join forces with the Chipmunks, the Chipettes, the Autobots, and Sam and his friends to stop Loki and the Decepticons. After Iron Man 3. Before Thor 2. If you know how to categorize a three-way crossover tell me.
Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 44,018 - Reviews: 25 - Favs: 9 - Follows: 6 - Updated: 12/15/2013 - Published: 6/18/2013 - Alvin S., Brittany M., Sam W., Optimus Prime