Before he came to Earth, the people of Superman's homes planet Krypton had battled Brainiac, a cold and callous alien obsessed with the control of knowledge. Now, Brainiac has set his sights on destroying Earth and finishing off the Last Son of Krypton once and for all. This epic battle will change Superman's world forever.Collecting ACTION COMICS #866-870 and material from SUPERMAN: NEW KRYPTON SPECIAL #1.