Batman: Lois is pregnant.
Superman: How did you–?
Batman: You’re sweating, your pupils are dilated and your left hand is shaking. You don’t usually show any outward signs of stress or fear. The last time I saw you this afraid, you were facing Doomsday. And I doubt it’s Doomsday– you’re grinning like an idiot.
From – Injustice Gods Among Us #01