Download or read book Once an Invader written by Chuck Austen and published by Marvel Comics Group. This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Captain America recruits new super-soldiers and heads into battle, Namor the Sub-Mariner marshals his forces to control a crucial nation. Namor and the world wonder whose side the Avengers will support.