Superman, super realistic, 4k, 8k, 16k, sharp features, cinematic lighting, dynamic pose, hyper realistic, super detailed, cel shading, detailed armor, shiny suit +unreal engine 
Superman, super realistic, 4k, 8k, 16k, sharp features, cinematic lighting, dynamic pose, hyper realistic, super detailed, cel shading, detailed armor, shiny suit +unreal engine --v 4 --q 2
Superman
super realistic, 4k, 8k, 16k, sharp features, cinematic lighting, dynamic pose, hyper realistic, super detailed, cel shading, detailed armor, shiny suit +unreal engine
superman is standing in front of a window
superman is standing in front of a window
a superman in a black suit with a red cape
a superman character in a dark environment