Yes, it's okay. Comic cons are a great place for anime cosplay. It gives you a chance to show off your creativity and connect with other fans who share your interests. Just make sure your cosplay is respectful and follows any rules or guidelines of the event.
I don't think it's weird. Comic cons are all about expressing your love for various fandoms through cosplay, and anime is a popular choice. It's a way to show your enthusiasm and connect with like-minded people.
No, they aren't. Cosplay con focuses mainly on cosplay, while comic con covers a broader range of comic-related stuff like comics, movies, and TV shows.