Since Marvel is revisiting its '90s-era cartoons with X-Men '97 and Spider-Man '94, it's time to revisit The Avengers: ...

The animated series Marvel's Avengers: Earth's Mightiest Heroes lasted only two seasons despite boasting a 100% on Rotten Tomatoes. Here's what happened.

But for the most part, the MCU timeline has also been designated as taking place on Earth-199999. That designation was first introduced in 2008’s Official Handbook of the Marvel Universe A-Z to ...

The Avengers have saved Earth from many extraterrestrial threats, but they're about to face their biggest challenge yet in Avengers vs. Aliens. That's right, Earth's Mightiest Heroes are taking on ...

It was likely a reference to an Official Handbook of the Marvel Universe A to Z: Vol. 5 released in 2008 which designated the MCU as Earth-19999 (no, that's not a typo; Miguel O'Hara added an ...