Scarlet Witch's brother Quicksilver and WandaVision, explained - Polygon

WandaVision is calling back to 2015’s Avengers: Age of Ultron, with mentions of the Scarlet Witch’s late brother, Pietro Maximoff, also known as the speedy superhero Quicksilver. Let’s do a quick recap of Quicksilver, the Marvel Cinematic Universe, and the X-Men.

Why Quicksilver Is in 'X-Men' and 'Avengers

WandaVision - Wikipedia

Hypothetically speaking, What would Wanda (Aka Scarlet Witch) do

Empire's Guide To The Scarlet Witch and Quicksilver.

Quicksilver's WandaVision Powers Explained: Why He's Not The X-Men

Wanda Maximoff (Marvel Cinematic Universe) - Wikipedia

New Scarlet Witch & Quicksilver Series Reunites Marvel's Premier

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Hypothetically speaking, What would Wanda (Aka Scarlet Witch) do

A Fan-Favorite MCU Original Finally Makes Their Marvel Comics Debut

Hypothetically speaking, What would Wanda (Aka Scarlet Witch) do

Scarlet Witch's brother Quicksilver and WandaVision, explained