Captain Marvel did help the Skrulls in the comics. The reasons behind this could range from shared interests to moral obligations, and it added depth to the storylines.
It depends on the specific comic storyline. Sometimes they can be portrayed as villains, but in other cases, they might have more complex motives and not be purely evil.
The Avengers originated in Marvel Comics. Marvel has developed a vast universe of characters and storylines, and the Avengers are a key part of it. Their adventures have been adapted into various forms of media, including movies and TV shows.
Captain Marvel is Carol Danvers. She gained her powers through an interaction with alien technology and has become a powerful hero in the Marvel universe.
Marvel justifies Marvel Comics 1000 by presenting it as a celebration of their rich history and a platform to introduce fresh and exciting story arcs. It could also be a strategic move to attract new readers and reignite the passion of long-time fans.