NOV 5, 2026
EGO HAS A BROTHER — A SECOND LIVING PLANET THE STRANGER BUILT JUST TO SEE THEM FIGHT!
Ego spent eons certain he was the only living planet in the universe. He was the control group.
Astonishing Thor Vol. 1 #1–5 (2010–2011): the Stranger reveals he created Ego — and a twin, Alter Ego, kept prisoner in the Collector's museum since birth — to learn whether freedom or captivity breeds the stronger will. When the brothers finally meet, they fight; Thor stops Ego's killing blow, and Alter Ego's fragments become Ego's moon.
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