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Cover: John Buscema & Sam Grainger
The Avengers #66
“Betrayal!”
In "Betrayal!", the Avengers face their most dangerous foe yet as they confront Ultron-6, a relentless machine of destruction. With Iron Man and Thor back in the fold after their time away, the team races to stop a deadly Adamantium cylinder forged by the twisted genius Myron MacLain. Written by Roy Thomas and brought to life by Barry Smith’s dynamic art, with inks by Syd Shores and letters by Artie Simek, this 1969 classic features a cover by John Buscema and Sam Grainger.
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writer Roy Thomas · artist Barry Smith · inker Syd Shores · letterer Artie Simek · cover John Buscema, Sam Grainger
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Cast · 12 characters
Full credits
writer Roy Thomas
artist Barry Smith
inker Syd Shores
letterer Artie Simek
cover pencils John Buscema
cover inks Sam Grainger
Full plot ⚠ may contain spoilers
▸ Reveal full plot — may contain spoilers
The Avengers versus Ultron-6.
Plot details indexed by the Grand Comics Database (CC BY-SA).