Alfred Gough in WIZARD #180

"Season Six is about the price of being a hero," Gough told Wizard. "We've left Clark in this predicament and when he comes back his father is dead, his girlfriend has left him and other people in his life begin to move on. He's beginning to ask, 'Is this hero thing worth it'?"
And for a big spoiler for Season Six: "There's a danger that's bigger than Smallville and bigger than Metropolis," Gough reveals. "Perhaps it will come from the Phantom Zone."
Go to kryptonsite to read more about it
Labels: Interview