Debut of Mr. Sinister.

This is an opportunity for fans of The Uncanny X-Men to own a piece of history with issue #221, published by Marvel Comics in September 1987. This comic book features the beloved mutant superheroes in a story that will keep readers on the edge of their seats. The variant type is direct sale, and it is written in English.

The issue number is #221, and it belongs to the Copper Age (1984-1991) era of US Comics. The series title is The Uncanny X-Men, and the publisher is Marvel Comics. This is a must-have item for any collector of comic books and memorabilia.