Los 4 Fantásticos vs. X-Men

A single-issue 1998 one-shot from Spanish publisher Planeta DeAgostini, Los 4 Fantásticos vs. X-Men pits Marvel's first family of super-science against its premier team of mutant heroes. Published as a standalone crossover, it brings these two iconic teams into conflict, offering a compact, self-contained encounter that captures the era's fascination with hero-versus-hero storytelling.