In the Marvel Cinematic Universe, Iron Man and Captain America appeared together in the Avengers series. This was the first time the two had worked together in a movie. They fought against an alien invasion together in the 2012 movie The Avengers. From then on, the two of them often appeared together in movies, bringing many exciting battle and cooperation scenes to the audience.
Captain Marvel is not male in the comics. The comic version features a female character who goes through various adventures and battles with her distinct abilities.
Definitely not. Captain Marvel is a female. The comic books have consistently presented her as such. Any claims otherwise are incorrect within the traditional comic framework.
Definitely not. Captain Marvel is a female. Her identity and characteristics are clearly defined as such in the comic universe. There's no version where Captain Marvel is a man.