"Brain-Child to the Dark Tower Came" Part 2 of 2. Script by Roy Thomas. Pencils by Sal Buscema. Inks by Jim Mooney. Cover by John Buscema and Jim Mooney. The Avengers and Nighthawk race to Atomic City (of Earth-712) to halt the launch of Brain-Child's doomsday rocket! However three members of the Squadron Supreme are currently guarding the launch site to ensure a safe liftoff! Fortunately after Wanda stops the launch, Nighthawk is able to explain to his teammates the dire situation! And Hyperion, Doctor Spectrum, and the Whizzer agree to join the assault on Brain-Child's tower fortress! Can the eight heroes (from two different Earths) bring the child prodigy's delusional dreams to an end? Goliath will lead the charge! Avengers Lineup: Black Panther, Goliath, Iron Man, Scarlet Witch, Quicksilver, Thor, and the Vision. (Notes: Earth's Mightiest Heroes and the Squadron Supreme meet again in Avengers 141, but as adversaries instead of allies. Len Wein contributed to the plot of this two-part story. The letters page includes a letter from comics writer Mike W. Barr. This issue contains a statement of ownership: average print run 385,239; average paid circulation 217,394.) 32 pages. Cover price $0.15. Grade: FN+ 6.5 explanation of grade Condition: Used (collectible)