Supergirl and Flamebird must work together to track down their father's assassin – Reactron! But these childhood friends find themselves at each other's throats in these stories from SUPERGIRL #43 and 45-47, ACTION COMICS #881-882 and SUPERMAN SECRET FILES 2009 #1.

Superman battles intergalactic conqueror known as Mongul in these tales from the late 1970s and early 1980s of the DC Comics PRESENTS # 27-28, 36 and 43 and Superman Annual # 11 Guest starring Wonder Woman, Batman, Supergirl and more!