Tony Stark faces the ultimate challenge when he and the Avengers confront Ultron, an indestructible super robot that has created a doomsday weapon capable of destroying all life on Earth.
- ISBN10 0671003216
- ISBN13 9780671003210
- Publish Date 1 November 1996
- Publish Status Out of Print
- Out of Print 16 April 2014
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback
- Pages 140
- Language English