He's back, and not a moment too soon. During the five years Superman sought his home planet, things changed on his adopted planet: nations moved on without him; Lois Lane now has a son, a fiance and a Pulitzer for "Why the World Doesn't Need Superman"; and Lex Luthor has a plan to gain world domination but could destroy billions of lives. CERT. NO.: CFL/1/27/2006-MUM