When a giant black hole appears in the maximum security prison of Hero Factory, all of the criminals trapped there escape through it in a mass jailbreak.The leader of the breakout is the malevolent Black Phantom, who seeks to take over the Hero Factory, so the entire Alpha 1 team is upgraded to battle these returning foes.
Charlie Adler
Jason Anthony
Jeff Bennett
Mark Hamill
Bryton James
Nick Jameson
Tom Kenny
Maurice LaMarche
Malcolm McDowell
Eric Christian Olsen
John Schneider
Stephen Stanton
Fred Tatasciore
Rick D. Wasserman
Steve Wilcox
Henry Winkler
Jason London