This was so, so beautiful. So beautiful! I love how you made this a story! It's so perfect! *flails madly*

Bruce had narrowed his eyes at him, the only two who could see each other in the alley. Clark had spread his wings wide, pure light shining from them and him.

I can see this moment so clearly, with Bruce's sheltering wings around the woman and Clark's spread wide in defiance.

I really loved your reason for the dark wings and how well they fit the personalities involved. Absolutely beautiful!