The Avengers Vol. 1 (1963-1996) #339

Plot

Shock follows shock in the pulse-pounding conclusion to the Collection Obsession! The ancient elder of the universe has turned the tables on both the Avengers and the Brethren! And now the conniving Collector transforms the Brethren into deadly bacteria to infect the Earth! Time is of the essence! The alien germs will contaminate the general population in a matter of minutes! Cap, Sersi, Quasar, and the Vision try to contain the outbreak, while Hercules, Iron Man, and Crystal trade blows with the Collector! However, the key to victory lies with Thane Ector and his Fool. In their final hour, can the Brethren overcome their legacy and rewrite their history in the stars? (mycomicshop.com)