How to counter Miss Fortune
Let us take a look on how to beat Miss Fortune. We will look at champions who are strong against Miss Fortune and who are weak against Miss Fortune. Use win rate, gold difference and creep score difference at minute 10 to find the best 
Adc champion who counters Miss Fortune. You can already win in champion select with the right counters for Miss Fortune. If you want to know how to counter Miss Fortune then you need to take into account the best picks vs Miss Fortune and the worst picks vs Miss Fortune. This Miss Fortune counter data is based on matches played by Pros on patch 13.24 and previous ones. It is important to see whether Pros counter picked Miss Fortune or whether they played as Miss Fortune.
Champions used by Pros to counter pick Miss Fortune
Looking at the matches from Pros (see table Pros counter picked Miss Fortune) we can see that they picked 
Kai'Sa most often to counter pick Miss Fortune. The matchup Kai'Sa vs Miss Fortune occured 17 times. Miss Fortune has 11 wins and 6 losses in this matchup. Learn how to counter pick Kai'Sa to get another perspective on the data.
Lane outcome for Miss Fortune
When looking at Miss Fortune counters you will notice that win rates alone are not conclusional. Therefore we provide an overview (see table Lane Outcome) where you can see the lane outcome of Pros who played Miss Fortune. The lane outcome of Miss Fortune consists of three outcomes: Win, Loss or Draw. Let's take a look of Miss Fortune lane and match outcome for specific matchups. Considering the lane outcome and the match outcome of a specific matchup, might enable you to find the right counter for Miss Fortune.
Conclusion
Analyze the available data and learn how to beat Miss Fortune. To master Miss Fortune take also a look on Miss Fortune builds and runes for Miss Fortune. Good luck, Summoner!