Based on the Geoff Johns/Gary Frank 2008 release “Superman: Brainiac,” Superman: Unbound finds the horrific force responsible for the destruction of Krypton (Brainiac) descending upon Earth. Brainiac has crossed the…

Embittered by Superman’s heroic successes and soaring popularity, Lex Luthor forms a dangerous alliance with the powerful computer/villain Brainiac. Using advanced weaponry and a special strain of Kryptonite harvested from…