* Marvel.com: The official website of Marvel Comics is a great starting point. Their character database has a detailed entry for Azazel, including his powers, history, and relationships. You can find it here: [https://www.marvel.com/characters/azazel](https://www.marvel.com/characters/azazel)
* Marvel Wiki: A comprehensive fan-edited wiki dedicated to all things Marvel. It has a ton of information on Azazel, including his appearances in comics, movies, and other media. You can access it here: [https://marvel.fandom.com/wiki/Azazel](https://marvel.fandom.com/wiki/Azazel)
* Comic Book Database (CBDB): This website provides detailed information on comic book issues, including character appearances. You can search for Azazel and see his appearances in different comics: [https://www.comics.org/](https://www.comics.org/)
* Comic Vine: A popular website for comic book news, reviews, and discussions. Their character page for Azazel includes a summary of his story and powers, as well as links to related content: [https://comicvine.gamespot.com/azazel/4005-5807/](https://comicvine.gamespot.com/azazel/4005-5807/)
* Google Search: A simple Google search for "Azazel X-Men" will also give you a lot of relevant information.
Remember to check out different sources for a comprehensive understanding of Azazel's history and abilities!