Avengers Forever, Vol. 1 #12 (1999)

Avengers Assemble
The Destiny War is finally joined in full. Using the Forever Crystal, pulled from the heart of Kang's citadel, the Timekeepers have constructed a cannon capable of destroying entire timelines. They intend to use it to eliminate all of the timelines, save those that guarantee their own existence. They have called up an army of Avengers from timelines where the team went bad, or where humanity's conquering spirit has become a universal problem to defend them.But Rick Jones is fully tapped into the Destiny Force, and he's awakened it in the Avengers with him. Together they've summoned an army of Avengers from the team's brightest timelines. It's Avenger versus Avenger, with the fate of all of History in the balance.
Release Date: 1999