While many Marvel fans were looking up theories and spoilers about Avengers: Endgame before its opening weekend, a whole other subset of people were quenching their thirst for Black Widow and Captain Marvel in... other ways. Pornhub reported that search traffic for Avengers and its main characters has skyrocketed in the days leading up to the film, further proving the old maxim (a.k.a. "Rule 34") true: If there's a topic out there that people even marginally care about, someone will make a porn about it.