Legion of DarknessBook - 2012
"When Hero Factory starts making things hard for villains, Blank Phantom realizes that the criminals need a team of their own. From every corner of the galaxy, he assembles an army of criminals. Their mission: wipe Hero Factory right off the map. Outnumbered and out-powered, the heroes Thresher, Von Ness, Stringer, Bulk, and Stormer must come up with a way to win--or else see tha galaxy become an empire of crime"--P.  of cover.
Publisher: New York : Scholastic, 2012
Characteristics: 139 p. ; 19 cm
Alternative Title: LEGO Hero factory (Television program)