Originally Posted by
Rev9
Superman figured out Bruce was Batman, he said when he came towards him in the rain 'Bruce, I was wrong, you have to listen to me Lex wants us to..' and then got hit with the sonic booby trap.So his saying Save Martha, could have been both a ploy to snap Batman out of his rage, because he found out their mothers shared the name ,or it could have been a direct attempt to prove to Bruce that Kal had a human foster mum, precisely because Bruce had been taunting him that Kal's Kryptonian parents sent him to earth for a reason and that he had nothing in common with Batman's human parents or humanity in general or even perhaps Batman figured Kal had human foster parents but was taunting him that Kal's human parents put faith in an alien who was too dangerous or alien to trust- who Bruce couldn't even call a man-so either way that name by Kal was purposeful to prove either he knew they had something in common (their mothers' names) or that he indeed loved his foster human mum contrary to what Bruce was presuming