As it turns out, however, the crossover stood to get a lot more devilish thanks to the appearance of a star from yet another still-ongoing DC Comics-based show: Lucifer. And it may have delivered a big reveal for Lucifer’s final season on Netflix.
The long-awaited “Crisis on Infinite Earths” crossover was hyped for the better part of a year as an event tying The CW’s five Arrow-verse shows together to fight a common enemy, with a sixth show joining the fold when Black Lightning’s Jefferson Pierce was pulled to Earth-1 and DC Universe’s Titans getting a cameo in the first part.