Shouldn't you be comparing infinity war to the previous avengers movies?
A solo superhero movie isn't going to do better than Infinity war.
There's only 2 races: White and 'Political Agenda'
2 Genders: Male and 'Political Agenda'
2 Hairstyles for female characters: Long and 'Political Agenda'
2 Sexualities: Straight and 'Political Agenda'