This is a rare edition of The Avengers #311 from December 1989, featuring the destruction of the Hydro base. It is a newsstand variant with a publication year of 1989 and is written in English. The issue number is 311 and it belongs to the Copper Age (1984-1991) era of US Comics. The series is published by Marvel Comics and the tradition is comics and graphic novels. It falls under the category of collectibles and comic books & memorabilia.