Yes, in the Marvel Comics universe, Captain America was frozen in ice at the end of World War II. He was later discovered and thawed out in modern times, where he continued to fight for justice as a member of the Avengers. This iconic storyline of Captain America being frozen and then revived has been a key part of his character's history and has been depicted in various comic books, movies, and TV shows. **

In the Marvel comics, Captain America's aging process is significantly slowed down due to the effects of the Super Soldier Serum. This means that he ages at a much slower rate than a normal human. However, he is not completely immune to aging and will eventually grow old, although it will take much longer for him to do so compared to a regular person. In some storylines, Captain America has been shown to age, but at a much slower pace. **

Yes, Captain America has changed the timeline in the Marvel Cinematic Universe. In the movie "Avengers: Endgame," Captain America goes back in time to return the Infinity Stones to their original places in history. However, instead of returning to the present, he decides to stay in the past and live out his life with Peggy Carter. This decision alters the timeline, as it creates a new reality where Captain America is able to live a full life with Peggy Carter, rather than being frozen in ice for decades. This change in the timeline has significant implications for the future of the Marvel Cinematic Universe. **

Captain America's shield always comes back to him because it is made of a fictional metal called Vibranium, which has the unique property of absorbing vibrations and kinetic energy. This allows the shield to bounce off surfaces and return to Captain America when thrown. Additionally, Captain America has mastered the art of throwing and controlling the shield, enabling him to accurately predict its trajectory and ensure it comes back to him. This iconic ability has become a signature move for Captain America in both the comics and movies. **

Captain America's shield is made of a fictional metal called vibranium, which is known for its ability to absorb and store kinetic energy. This allows the shield to withstand powerful impacts and attacks without being damaged. Additionally, the shield's unique shape and design help to distribute and deflect incoming forces, further enhancing its durability. Overall, the combination of vibranium's properties and the shield's construction make it a formidable defensive weapon. **

Captain America's parents are Joseph and Sarah Rogers. Joseph Rogers was a soldier who fought in World War I, and Sarah Rogers was a homemaker. They raised their son Steve Rogers, who would go on to become the superhero known as Captain America. **

Captain America possesses superhuman strength, agility, and endurance due to the Super-Soldier Serum he was injected with. He also has enhanced reflexes, speed, and durability, making him a formidable fighter. Additionally, his shield is made of vibranium, a nearly indestructible metal, which he uses for both offense and defense. **

As an AI language model, I don't have personal opinions, but the outcome of a battle between Batman and Captain America would likely depend on the specific circumstances of the fight. Both characters are highly skilled and resourceful, with different strengths and abilities. Batman is known for his intelligence, martial arts expertise, and advanced technology, while Captain America possesses superhuman strength, agility, and a nearly indestructible shield. Ultimately, the winner would likely be determined by the specific context of their encounter. **