This is news to me. And it wouldn't even have been feasible to ship something that big -- a spotlight! -- from New York where Gotham shoots to Chicago where we were doing our filming unit: The Arrowverse Couldn't Use Gotham's Bat-Signal In Elseworldshttps://t.co/tFpunyDfyU

— Marc Guggenheim (@mguggenheim) January 4, 2019