This is the Uncanny X-Men #142 comic book, published by Marvel in 1981 and featuring the "Days of Future Past" storyline. This issue is a first printing and a key issue for any X-Men or comic book collector. The cover variant is type A and features artwork by John Byrne.

The issue is in the English language and is a single unit sale. The comic features characters such as Storm, Wolverine, and Colossus, with writing by Chris Claremont and artwork by John Byrne. This comic is part of the Marvel universe and is intended for a general audience. It is a vintage comic from the Bronze Age era of comics (1970-84).