There’s no denying that one of the most iconic elements of Superman lore is his Fortress of Solitude, a symbol that has accompanied the Man of Steel throughout comics and his various movie appearances, including James Gunn’s Superman (2025). Now, however, DC is turning Kal-El’s once-safe haven into his ultimate nightmare.

Those who have been following Dan Slott and Rafael Albuquerque’s Superman Unlimited series know that the story centers on a Kryptonite asteroid showering Earth, making Superman’s greatest weakness more accessible than ever.

One South American country bears the brunt of the fallout, giving rise to its corrupt president, who also masquerades as the Kryptonite King. To make matters worse, issue #6 introduces President Castilho’s Kryptonian Castle, essentially a

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