It was the sort of mission Batman had run a thousand times. From high above the sweltering summer streets of Gotham, Batman would escort the GCPD as the dangerous metahuman super-villain known as E.M.P. was transferred from a temporary holding cell to his permanent home at Blackgate Prison in Gotham Harbor. E.M.P.’s electrical powers posed a dangerous threat, but the situation was well in hand. Until it wasn’t.