Write SQL query to solve given problem: What is the average rating of comic category apps? How many users hold positive attitude towards this app?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT AVG(T1.Rating) , COUNT(CASE WHEN T2.Sentiment = 'Positive' THEN 1 ELSE NULL END) FROM playstore AS T1 INNER JOIN user_reviews AS T2 ON T1.App = T2.App WHERE T1.Category = 'COMICS'