Weekly Shonen Jump issue #44 revealed that My Hero Academia Season 5 will start premiering in spring 2021. A new PV and visual was released to announce the news.

It was previously confirmed by Weekly Shonen Jump issue #19 that My Hero Academia will be getting a season 5.

【ヒロアカ5期が来年春に来る!】

『僕のヒーローアカデミア』TVアニメ第5期、2021年春 読売テレビ・日本テレビ系にて放送スタート決定!
さらに新ビジュアル解禁!!
公式サイトもリニューアルしました!https://t.co/38fnMWroQq#heroaca_a #ヒロアカ pic.twitter.com/OAt64uaZf7

— 僕のヒーローアカデミア "ヒロアカ"アニメ公式 (@heroaca_anime) October 3, 2020

The new PV gives a preview of the “Joint Training Arc”, which is the sixth arc in the Rise of Villains Saga in My Hero Academia. the young heroes from Class 1-A and 1-B competing against each other in a joint training session. The arc also features one of the fan favourites Hitoshi Shinsho who is aiming to get into the Hero course and is currently being mentored by Aizawa Shoto.

As the arc progresses Izuku also discovers a secret about his quirk “One for All” which none of the previous eight users had known about.

My Hero Academia’s fourth season premiered on October 12, 2019 to April 4, 2020 and had 25 episodes.

My Hero Academia is based on manga series written and illustrated by Kōhei Horikoshi. It has been serialized in Weekly Shōnen Jump since July 2014, with its chapters additionally collected into 27 tankōbon volumes as of July 2020.

The story follows Izuku Midoriya, a boy born without superpowers (called Quirks) in a world where they have become commonplace, but who still dreams of becoming a hero himself. He is scouted by All Might, Japan’s greatest hero, who shares his Quirk with Midoriya after recognizing his potential, and later helps to enroll him in a prestigious high school for heroes in training.