Following numerous conjectures and fan assumptions, it has been officially revealed in “Agatha All Along” that the character played by Joe Locke, named “Teen,” is none other than Billy Kaplan, more famously known as Wiccan, also referred to as Billy Maximoff. Indeed, he’s the son of the Scarlet Witch and the Vision from “WandaVision”, now reincarnated in a new form. However, the lineage of Billy Maximoff within the Marvel Cinematic Universe (MCU) is rather intricate due to his connections to a malevolent robot and four prominent Avengers. This is merely the beginning of his complex family tree. Here’s an outline of the MCU family heritage of Billy Maximoff, with mention of his brother Tommy should he ever make an appearance. We’ll trace their paternal ancestors first.