'Avengers: Infinity War': What critics are saying

"Avengers: Infinity War" is a Marvel movie 10 years in the making, with more than 20 heroes and villains gracing the screen in this epic blockbuster!

So, with screenings taking place all across the country Monday night, critics and bloggers immediately took to social media to voice their opinions after seeing the flick for the first time.

The reviews were mostly positive, as fans of the genre were amazed at the emotion and action that came from the film, starring the likes of Robert Downey Jr., Chris Evans, Chadwick Boseman, and Scarlett Johansson.

No spoilers below!

Here's what the critics had to say and why they are excited/crazed that they have to wait until the next "Avengers" film to see how everything plays out.

To be fair, some critics felt a little unsatisfied after a big cliffhanger at the end of the film.

"Infinity War" hits theaters everywhere Friday.

ABC News and Marvel are both part of parent company Disney.