The premise of Secret Invasion is deliciously simple: anyone could be a secret Skrull in disguise. The shapeshifting aliens are able to perfectly imitate any human they see. In the 2008 comic book event that loosely inspired Marvel’s new Disney+ show, the list of Skrulls-in-disguise includes Captain America, Iron Man, Wolverine, Spider-Man, and many other Avengers. But the show makes a clear point of keeping the Avengers out of the picture — with one major exception.
