I've read it in the comic book, but I haven't watched the anime version of it yet.
I've read this episode in manga, but I haven't watched the anime yet.
①I've read the comic book, but I haven't watched the anime version of it yet.
「漫画は読んだけど、アニメ版はまだ観ていない。」
I've read it in the comic book→It(その話)は漫画で読んだ
I haven't watched the anime version of it yet→(その話の)アニメ版はまだ観ていない。
②I've read this episode in manga, but I haven't watched the anime yet.
「このエピソード(話)は漫画で読んだけど、アニメはまだ観ていない。」
I've read this episode in manga→この話は漫画で読んだ
I haven't watched the anime yet→アニメはまだ観ていない
I have xxx but, I haven't xxx yet.
→「○○はあるけど、□□はまだない。」
少しでもご参考になれば幸いです。