Warning! SPOILERS for Young Justice season 4, episode 25.
The penultimate episode of Young Justice season 4 and General Zod's arrival on Earth put an ironic twist on Suprman's wish that more Kryptonians be found somewhere in the universe. Superman's status as the Last Son of Krypton has been mined for drama by many creators, emphasizing the survivor's guilt that Kal-El must feel as the apparent sole survivor of his homeworld. This also adds another level of tension to any conflict with General Zod, whose might-makes-right philosophy not only opposes everything Superman stands for but also bespoils the idyllic image of Krypton as a paradise lost.
Superman's conflicted feelings regarding his homeworld were an undercurrent to the larger story of Young Justice season 4, episode 25 «Over and Out.» The episode found Superman and a collation of heroes from Young Justice's Green Lantern Corps, the Legion of Superheroes and the Justice League racing back to Earth to intercept General Zod and his followers. As they traveled through subspace, Black Lighting noticed Superman looking troubled and asked him how he was coping with the revelation that there were more Kryptonians alive in the Phantom Zone.
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Superman admitted that he had "wished for this my whole life, but now the very thing I've wished for is putting the entire galaxy at risk." He also said that he was conflicted, not really being sure how to feel about the fact that the connection he sought was tied to a fascist army that very nearly destroyed an intergalactic civilization in the 31st century and had apparently tried to conquer Krypton. Ultimately, Superman decided that all he could do for now was put
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