According to the Pornhub Insights team who carried out the research, the uptick constituted an additional two million searches over just a week.
The team found that certain characters from the movie also enjoyed an upturn in their popularity among the Pornhub users.
Captain Marvel was revealed to be the most beloved character on the site, followed by Black Widow and Spiderman. Next on the list were Hulk, Captain America and Scarlet Witch.
READ MORE: Chinese Moviegoers Attack Man for Spoiling Avengers: Endgame — Reports
Last year, the release of Avengers: Infinity Wars saw a 356% surge in Avengers-related hits on the world's biggest porn site.
Avengers: Endgame concludes numerous stories in the Marvel cinematic universe, with audiences following the comic characters in 22 different movies that have been released over the last decade.
