In "Captain America: The First Avenger," the title character, Steve Rogers, is often referred to as the first Avenger due to his origins during World War II and his role in fighting against Hydra. However, the term "first Avenger" can be interpreted in a broader sense. In the Marvel Cinematic Universe, Captain America is considered the first member of the Avengers team that later includes characters like Iron Man, Thor, and the Hulk. Ultimately, Steve Rogers’ journey and sacrifice establish him as the foundational hero of the Avengers.

"Captain America: The First Avenger" is a Marvel superhero film that was released in 2011. It features Steve Rogers, who becomes the super-soldier Captain America during World War II. As for its availability on Netflix, the streaming rights for Marvel movies often change, and "Captain America: The First Avenger" may not currently be available on Netflix in all regions. To find out if it is available, it's best to check the Netflix library directly or consult the platform's search feature.

You can watch "Captain America: The First Avenger" on various streaming platforms, including Disney+, where it is part of the Marvel Cinematic Universe collection. Additionally, it may be available for rent or purchase on platforms such as Amazon Prime Video, Google Play, iTunes, and Vudu. Availability may vary by region, so it's best to check your local listings on these services.

In "Captain America: The First Avenger," Chris Evans' transformation into the smaller version of Steve Rogers was achieved through a combination of visual effects and practical effects. The filmmakers used digital effects to enhance his appearance, making him look shorter and slimmer in scenes before he receives the Super Soldier Serum. Additionally, they used forced perspective in camera angles, along with body doubles for certain shots, and employed prosthetics to create the illusion of a smaller physique.