Re: Easter Eggs (SPOILERS)
I'm actually glad you mentioned that...
When he gathers himself before flying up into the gravity beam and destroying the World Builder...he looks a LOT like Chris Reeve. Like, borderline "Did they CGI him to look like Chris Reeve in that shot?"
Writer and Lyricist of GOTHAM'S KNIGHT: THE BATMAN MUSICAL
And if I'm right
The future's looking bright
A symbol in the skies at night