New unread ex-shop stock item in excellent NM condition, still sealed.
 
An ex X-Man makes the leap from Uncanny to Earth's Mightiest! Longtime enemies in disguise strike the Avengers at home and in the field, and the Beast jumps into action furry feet first! Plus the enigmatic Assassin stalks Captain America, Iron Man, Thor and an incredible simulation! featuring guest appearances from past team line-ups!
 
Collects : Avengers # 137-140 and  # 145-146, written by Steve Englehart & Tony Isabella and illustrated by George Tuska, Don Heck and Kieth Pollard.
 
1st print, VARIANT EDIOTION LIMITED TO 660 COPIES, 2011.