T.J. Miller played Weasel to Ryan Reynold’s Deadpool. When Deadpool first reveals his appearance to Weasel, Weasel makes some graphic analogies about his ugly mug.
Most of these were improvised by Miller. Some of the jokes were so graphic they were cut from the movie. But this one stuck, and the internet was glad it did.
Hemsworth Breaks up Battlefield Tensions With Unscripted Moments
This comment takes place on the battlefield of “Avengers: Infinity War” (2018).
Thor runs into Captain America amidst the fighting. Shooting the breeze, the Cap takes note of Thor’s buzz cut, saying, “You got a haircut?” Without missing a beat, Thor returns with, “I notice you’ve copied my beard?”
Michael Rooker Let It Roll in “Guardians of the Galaxy”
And he said it was “quite a special experience.” In an exclusive Comic Book Movie interview, Rooker talked about the hilarious interview part in “Guardians of the Galaxy.”
As Yondu he obnoxiously talks over the Broker in gibberish, and it was all impromptu—he said he the scene was created on the spot.
Sky Diving Without a Parachute in “Aquaman”
Jason Momoa improvised more than usual in “Aquaman.” James Wan let him mess around and say things off-the-cuff. So much so that Momoa said there is more of him in that movie than in any other.
In this example, Momoa shouts, “Redheads, you gotta love them!” as Mera (Amber Heard) jumps out of the plane, sans chute.
Jamie Foxx Singing “Itsy Bitsy Spider” in “The Amazing Spider-Man 2”
While not even the Oscar-winner Jamie Foxx could save this waste of a movie, he was still able to show off his improv skills in one scene. During a fight scene with the Spider-Man, he sings the classic nursery rhyme “Itsy Bitsy Spider.” However, it's his electric powers and not the rain, that is battering the spider.
It should sound familiar, since it's the exact same thing that the Green Goblin, played by Willem Dafoe, said in the original Sam Raimi “Spider-Man” movie. It might have been off-the-cuff, but there's plenty of pretty history