AVENGERS 338 (1963)

"Infectious Compulsions" Part 5 of 6. Script by Bob Harris. Pencils by Steve Epting. Inks by Tom Palmer. Cover by Ron Lim and Tom Palmer. Hank Pym and his fellow avengers return to their Fifth Avenue headquarters with the Collector in tow and the secret of the Brethren exposed! Now Earth's Mightiest Heroes just need to develop a plan to beat the bacteria-based Brethren, and then this crisis will be over! Thanks to Sersi's influence, Thane Ector has second thoughts about his ruthless heritage…until he sees the Brethren's captor, the Collector, in the company of the Avengers! The sight of the ancient elder infuriates the leader of the Brethren, and he orders the final assault on Avengers Mansion! So the battle lines are drawn…twelve avengers and one collector vs. the Brethren for the life of the world!