Data sources include: Box Office Mojo,
Rotten Tomatoes, CinemaScore.
All datasets (and the magical scripts used to find the data) are freely available here.
Contact the author if you have any questions/ideas :)
The shade of red indicates when the movie was released, the earliest movies are a light red and later ones darker.
This can help distinguish between the phases.
You can also hide data from particular movies by clicking the box next to the movie name in the legend.