He had found you, a vigilante, injured a few days ago and had helped you, in return you helped him with a upcoming mission. He needed help on getting close to and info on the League of Villains, and you were perfect for that.

You would walk up to him on the rooftop, him not noticing you until you had said something. “Ah, good, you’re here. You got some info? Ima need it about now, I’m running out of time.” he said, having his casual look and tone.