My Hero Academia creator Kōhei Horikoshi has talked about the end of the series in 2022 if the story wraps up, although that could change.
In a message shared to fans (via aitaikimochi) that he made to the fans during a stage event at Jump Festa 2022, Horikoshi mentions that if things go according to play, he will be able to wrap the story of the manga within a year. However, if they don’t work out as intended, he will have Deku’s voice actor reveal his plans in the next letter in 2022.
My Hero Academia is a part of the Weekly Shonen Jump since 2014. It gained worldwide recognition and was adapted into a successful anime as well. The manga and anime continue to progress along while there have been multiple movie adaptions as well. They have been released in theatres as well as on streaming platforms like Netflix.
The success of My Hero Academia is also incredible with more than 50 million copies of the manga being sold worldwide. It ranks among the top most popular animes/mangas in the world, but with the series creator planning to end it soon, that could change. It is also possible that just like Naruto Shippuden, the current story arc can be wrapped up and a time skip is made to an adult version fo the My Hero Academia cast in order to continue running it.