Los Cuatro Fantásticos: Especial Onslaught #[nn]

This Spanish-language special collects the Fantastic Four's tie-in issues to the massive Marvel crossover event Onslaught, published by Planeta DeAgostini in 1997. It focuses on the team's confrontation with the psionic entity Onslaught, a threat born from the merged psyches of Professor X and Magneto.