An alien race called the Scrubb demands that Earth's greatest champion battle theirs. Both Superman and Muhammad Ali step forward. To determine who is truly Earth's greatest fighter, Superman temporarily loses his powers and faces Ali in the ring. Ultimately, the duo must work together to defeat the Scrubb, with Ali taking on their champion while Superman battles their space armada.
- ISBN10 0857680056
- ISBN13 9780857680051
- Publish Date 25 February 2011
- Publish Status Transferred
- Out of Print 6 March 2013
- Publish Country GB
- Imprint Titan Books Ltd
- Format Hardcover
- Pages 96
- Language English