A lot has happened in the 8 years since Iron Man 2, but fans are just now noticing that the movie contains a Black Panther Easter Egg, which is 6 years before the character made his Marvel Cinematic Universe debut in Civil War.
You can check out the original report of the Black Panther Easter Egg in Iron Man 2 comes to us from Screenrant.
After the success of Iron Man, Iron Man 2 was quickly green lit and came out in 2010, 2 years after the first movie.
Black Panther screenwriter Joe Robert Cole recently said that the War Machine movie was pitched to Kevin Feige and was nearly green lit until pre-production on Iron Man 3 began, taking the MCU in a different direction.