AVENGERS #71 Higher Grade 1st Invaders Sal Buscema art, Marvel Comics 1969. This is a rare find for comic book collectors, as it features the first appearance of the Invaders and Sal Buscema's artwork. The Silver Age (1956-69) era comic book is in great condition, making it a must-have for any Avengers or Marvel Comics fan. It is not signed, but the quality of the comic book speaks for itself. Add this gem to your collection today!