Guardians of the galxy2 disneymarvel"Guardians of the Galaxy Vol. 2" (2017)Disney/Marvel
Sequels, prequels, spinoffs, and reboots all seem inevitable after the release of a profitable superhero film.
It's safe to assume that most superhero films make an insane amount of money at the box office, considering the high volume of superhero films that are churned out each year, but which superhero franchises are the most profitable? 
To answer this question, we compiled a list of the 10 highest-grossing superhero franchises in the United States, and included how each movie, sequel, spinoff, and reboot stacks up to the competition.
These are the 10 highest-grossing superhero franchises of all time.
Note: All numbers are based off of domestic gross income via Box Office Mojo, and have been adjusted for inflation. Some prices may have been adjusted to account for re-releases of the films.