As the cyborg stalked toward him, Superman noticed that Metallo’s robot eye no longer glowed red.
It glowed green.
He immediately noticed something else, too. Something strange…a feeling he’d never felt before. As though moving, breathing, and even thinking was becoming difficult.
For the first time in his life on Earth, Superman felt weak.
Gasping for breath, he staggered forward and fell to one knee, his head bowed, one hand groping blindly, clutching at the air. He wheezed and coughed. His vision blurred. The sounds of the wetlands started to fade. What is happening to me? he thought.

Chapter 20