The Mockingbird S.H.I.E.L.D. 50th Anniversary 1 2nd print comic book by Marvel Comics in 2015 features the character Mockingbird in the Marvel (MCU) universe. This single issue is a first printing, boarded, and includes the first character appearance. Set in the Modern Age era, the comic is part of the US Comics tradition and belongs to the Superheroes genre, making it a valuable addition for collectors of comics and graphic novels. With appearances by Mockingbird, the X-Men, and Avengers, this comic captures the essence of action-packed superhero stories.