Marvel Fans Keep Forgetting Mephisto Has Been in the MCU for 12 Years, Hidden in an Early MCU Movie!

Agatha All Along, which premiered on Disney+ on September 18, 2024, with two episodes, had a rocky start, but it has slowly been gaining viewership as fan and critic reactions have improved.

While Agatha All Along may not rank as the MCU’s best TV show, it’s certainly an intriguing watch, and we’re excited to see where it goes next. As mentioned, we’ll see several significant MCU characters, but one villain has been at the top of fans’ wishlists for years.

That villain, of course, is Mephisto, who was name-dropped in Agatha All Along, sparking excitement that he could make an appearance later in the series. However, many fans forget that Mephisto has already been referenced in the MCU, as we’ll explain below.

Before we dive deeper, take a look at these two tweets that confirm what we’re talking about:

These tweets and images confirm that Mephisto was first referenced in the MCU 12 years ago in The Avengers, where his name appears in a document related to the Tesseract. While this wasn’t an actual appearance, and fans are eager to see Mephisto in person, it does show that the character has been part of the MCU for over a decade.

Here’s what fans are saying about it:

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