Download or read book Invincible #48 written by Robert Kirkman and published by Image Comics. This book was released on 2008-02-20 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: After months locked away in prison Doc Seismic, returns. Once a name that brought fear to the hearts and minds of heroes from years gone by, he's out to reestablish himself as a major threat - and events are set in motion leading up to our big 50th issue - only two short months away!