The Avengers, Vol. 3 #1A

Once an Avenger..., Part 1: Heroes Return
The Avengers, current and former, are attacked on all fronts by various Asgardian creatures. They regroup into the largest gathering of Avengers on record, and head out to face the threat, realizing that it is a trap, but not realizing the exact nature of the trap until after the trap is sprung.
Release Date: 1997