Who is Teen in ‘Agatha All Along’?

How is Wanda's son alive on Agatha All Along?

Disney+ sure loves to rename a character on an original series. First we had The Child, a.k.a. Baby Yoda and a.k.a. Grogu on The Mandalorian. Then we had Agnes on WandaVision who was Agatha all along. Now, coincidentally on Agatha All Along, Joe Locke's character "Teen" has a secret identity as well.

We knew this was coming. The character showed up with a spell, or sigil, that prevented him from saying his name or any details about his childhood out loud. They actually call him "Teen" for lack of a better moniker. He arrived as a mystery. But by the end of Episode 5 we're well on our way to officially knowing who Locke is actually playing. All it took was one line about Teen being "so much like his mother," some spooky blue magic, a crown, and a sick Billie Eilish needle drop. All signs point to "Teen" being a Marvel comics hero named Wiccan, a.k.a. Billy Kaplan, a.ka. Billy Maximoff, the Scarlet Witch's son.

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This version of Wanda and Vision's twin sons, Wiccan and Speed (Billy's brother, Tommy), were introduced to Marvel comics in 2005. So he's maybe better known to millennial comic book readers specifically. They are both members of the Young Avengers team. They're both canonically queer. Billy is a neurotic nerd who practices magic. Tommy is a chaotic juvenile delinquent and a speedster. I for one am psyched to welcome them to the MCU. Billy's boyfriend Teddy is also a member of the team. But before we get ahead of ourselves, here's what you need to know about Billy.

At the end of WandaVision, Wanda broke the spell she had inadvertently case in Westview. That included erasing the two boys she created with magic. They died, basically. Then, in the movie Doctor Strange in the Multiverse of Madness, Wanda traveled to a lot of parallel realities and killed a lot of people to get her sons back before accepting that she couldn't. So, respectfully: WTF?? How is Billy here now?

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In the original run of Young Avengers comics, a teenage boy named Billy Kaplan meets another teenage boy named Tommy Shepherd who suspiciously looks exactly like him. It's a lot like It Takes Two or The Parent Trap. Their looks and powers pointed to the Maximoff family. But they actually aren't the original, biological sons. They had separate childhoods and don't even remember growing up with Wanda and Vision. This Billy and Tommy are vessels for the twins' reclaimed souls. After the original Billy and Tommy died, their souls were claimed by Mephisto. When the devilish Mephisto was destroyed, Billy and Tommy's souls dispersed and landed at the Kaplan and Shepherd households. (They actually became superheroes before realizing they were nepo-babies. Before he discovers that he is the Scarlet Witch's son and decides to be called Wiccan, he goes by the name Asgardian. That's why, if you look up pictures of Billy in the comics, he's kind of giving Thor.)

It will be interesting to see how the MCU tells this story. Since the Billy and Tommy we remember from WandaVision are definitely gone in this universe, a soul-swapping voodoo explanation seems like a safe bet. And I have a hunch that Rio had something to do with it.

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What powers does Wiccan have?

In the comics, he's a practicing witch and also has sparkly electricity powers. He can manipulate reality, teleport, and In the show, at least in Episode 6, it looks like his mind-control powers are similar to Wanda's as well.

There's also a prophecy that Billy will become a god-like world destroyer called the Demiurge. Let's not worry too much about that right now.

How did Agatha know who he was?

That... is a great question. For a while it seemed like Agatha thought "Teen" was Nicholas Scratch, the son she sacrificed to obtain the Darkhold. Rio warned her that that was not true. In Episode 5, he said Nicholas Scratch's name, which confirmed he was not him. The sigil wouldn't have allowed him to say that out loud. It's clear that a few things started to click into place in the fifth episode, but less so what exactly tipped her off. More mysteries to solve! Yay!