Assuming he doesn’t have a red phone line directly to Batman like in the old TV show, obviously.
Wait for a passing blimp. Project the bat signal on the blimp.
Excellent idea!
Plot twist: Gordon doesn’t actually need the bat signal to contact him. It’s there to drive fear to street criminals when they see the sign and think that the Bat is heading their way.
Also Gordon prefers talking to the man dressed like a bat on the rooftop rather than in his small office.
I thought The Batman showed that of really well actually, with the rober, vandals and similar in the beginning.
2 helicopters holding up a bedsheet in the sky, and Gordon just shines the bat light on that.
Fireworks in the shape of the bat signal
Sends him a message on Batrix, of course.
slide into his DMs obviously
It’s 2023. He sends him a Snap.
You would think he would at least give the Commissioner the number to a one-time burner phone or something.
Send him a text “Where you at?”