As fans expected going into it, last night’s Supergirl season 4 finale didn’t just wrap up the storyline of the past year and set up season 5, it also sowed the seeds for the incoming “Crisis On Infinite Earths” crossover that’s sure to shake up the Arrowverse like never before when it arrives this fall.
Much like the past week’s Arrow and Flash finales, Supergirl 4×22: “The Quest For Peace” concluded with a final scene that teased what’s to come. Following his recent cameo in Arrow, the Monitor (LaMonica Garrett) returned, and you can see what trouble he caused on Earth-38 in the video up above.
First of all, Mar Novu appears to release a mysterious figure from some kind of dimensional prison. The cosmic entity encourages the stranger to get vengeance on the brother who wronged him. It’s then revealed that this figure is a Green Martian and the brother of J’onn J’onzz. You know, for a supposedly extinct race, there sure are a lot of J’onn’s people still around, aren’t there?
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After that, the Monitor is shown visiting the corpse of Lex Luthor, who was shot and killed earlier in the episode by his sister Lena. But if you thought this would be it for the world’s greatest criminal mind, you were mistaken. The scene ends as the Monitor whips up some glowing energy in his hand. No doubt he’s going to resurrect the villain for some higher – or, in Lex’s case, lower – purpose.
If you’ll recall, on Arrow‘s finale, the Monitor whisked Oliver Queen away to somewhere else in the Multiverse that needed his help, after revealing that the Green Arrow would die in the Crisis. The Flash finale, meanwhile, didn’t feature the character but it did reveal that time has changed, thanks to Nora and Reverse-Flash’s actions, so that the Crisis, originally scheduled for 2024, has been fast-forwarded to 2019.
Speaking of which, “Crisis on Infinite Earths” is set to play out over five hours across two quarters, which means it’ll probably kick off with the midseason finales, so expect all of reality to crack asunder come early December.