Legion of Super-Heroes Vol. 8 (2019-2021) #12

Plot

The battle for New Krypton is on! This powerhouse issue features the Legion confronting the greatest challenge of any era! With New Krypton on the verge of destruction at the hands of one of Jon Kent’s deadliest foes, the young hero may have to make the ultimate sacrifice to save his friends, his family, and his heritage—but it could lead to the start of a monumental new chapter in the future of the DC Universe! Long live the Legion!