Agatha All Along showrunner Jac Schaeffer reveals Marvel didn't want the series to have post-credit scenes

Agatha All Along broke a tradition that every Marvel Studio project has done. The WandaVision sequel series dropped its two-episode finale on Wednesday night, but it doesn't have a post-credit scene or a bonus scene to give fans details about what is coming up next. WandaVision lead writer and now Agatha All Along's showrunner, Jac Schaeffer, explained why the series passed on this particular Marvel calling card.

Schaeffer told Entertainment Weekly on Friday, November 1, 2024, that she came up with several end-credit sequences for the series. She said:

"I wrote a number of post-credit scenes, as I've done on every Marvel project I've ever worked on, because it's the thing that changes the most and goes the longest as a question mark until you're finally confronted with it."

However, Marvel opted out. The Agatha All Along creator further said:

"Ultimately, it was a Marvel decision not to have a tag on this show."

She said the same thing in her Variety interview on the same day, adding that it was a Marvel decision and that she knows nothing more than that.

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Jac Schaeffer confirmed other elements that didn't make it into Agatha All Along's final cut

Besides the post-credit sequence ideas she wrote but didn't make it into the series, Jac Schaeffer also shared the other elements missing from Marvel's Agatha All Along's final cut. One of them was the Hellish Satan-like demon, Mephisto, who fans thought would appear on the show.

Despite the name drop earlier in the season, Mephisto doesn't show up in the series. Jac Schaeffer answers fans who are left wondering and wanting to see the Marvel devil character. She told Entertainment Weekly there were plans to introduce the character to the MCU, but it didn't pan out. She said:

"Very, very, very early on there was a conversation, but logistically it wasn't possible for us."

She said a "larger Marvel stuff" made Mephisto's character logistically impossible to be in the series. She also admitted:

"Truthfully, it was never of great interest to me to do a Mephisto storyline."

Another character that was thought to be in Agatha All Along but wasn't is Teen or Billy Maximoff's half-Kree, half-Skrull boyfriend, Teddy Altman, aka Hulkling. The character is in the Marvel series, but it didn't make it into the series because of another "Marvel decision," and Schaeffer explained why. She said:

"There were early conversations [about Hulkling]. [Eddie] was originally called Teddy because we were looking at the artwork and thinking about that. That was a Marvel decision to not have him be Hulkling for the purposes of our show."

Schaeffer is referencing Eddie, Billy Maximoff's boyfriend in the series. It diverts from the comic, where Billy, aka Wiccan, has a longstanding relationship with Hulkling.

Unfortunately for fan theories, Eddie appears to have no connection to Hulkling, and his character is not another Young Avenger introduction to the MCU. The Agatha All Along creator confirmed to Entertainment Weekly that within their show, "he is not Hulkling."

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All episodes of the newly wrapped Agatha All Along season 1, starring Kathryn Hahn as Agatha Harkness, are now streaming on Disney+.