After storming a Hydra base in the forests of Europe, the Avengers return to New York. Just as they celebrate their victory, a new enemy introduces himself. Ultron is the planet's biggest threat yet.
- ISBN10 0316256439
- ISBN13 9780316256438
- Publish Date 7 April 2015
- Publish Status Out of Print
- Out of Print 6 September 2021
- Imprint LB Kids
- Format Paperback (US Trade)
- Pages 24
- Language English