Spoilers...
Tim's red haired Girlfriend is jogging in the park and remembers going back to Tim's apartment and packing her stuff.
She bumps into Ronnie Raymond. They decide to have a cup of coffee while Tim watches from the shadows.
35 years from now Old Man Mr. Terrific working out doing martial arts talking to Brother Eye.
Old Man Batman/Bruce Wayne comes into the room with the Jokers head grafted into the back of his head.