He’s the 25th DLC.. probably with this skin, to be confirmed. I was right.

Naruto to Boruto: Shinobi Striker Game Adds Nagato as 25th DLC Character – News – Anime News Network
Kuchiyose: Edo Tensei | Naruciak Wiki | Fandom
The Summoning: Impure World Reincarnation is a technique where, using a living person as a vessel, a deceased person’s soul can be called back to the world of the living and bound to it. The vessel will then take on the form that person had in life, thereby reincarnating them to do their summoner’s bidding.
Nagato was a shinobi of Amegakure and descendant of the Uzumaki clan. Forming Akatsuki alongside his friends (and fellow war orphans) Yahiko and Konan, Nagato dreamed of bringing peace to the violent shinobi world. However, following Yahiko’s death, Nagato adopted the alias of Pain and, along with Konan, began leading a new Akatsuki — one that would force the world into peace using any means necessary.
The character will arrive in the game “soon,” and will be the second character in the game’s fourth season pass. The season pass will have a total of five new characters and will focus on the theme of “regeneration.” The first new character in the fourth season pass is Sakura Haruno from the Great Ninja War.
The game’s third season pass includes: Kakashi Hatake (with both eyes Sharingan), Neji Hyūga, Shisui Uchiha, Naruto Uzumaki (Last Battle), and Boruto Uzumaki (Karma Form).
The game’s second season pass includes: Zabuza Momochi, Haku, Ohnoki, Killer Bee, Sasuke Uchiha (from Boruto), Ino Yamanaka, Might Guy, Mei Terumi, and Naruto Uzumaki (as the Seventh Hokage in the Boruto anime and manga).
The game’s first season pass includes nine DLC packs and the “Great Sages of the Mount Myouboku” accessory. Playble DLC characters include Jiraiya, Sarutobi, Orochimaru, the fourth Hokage Minato Namikaze, the second Hokage Tobirama Senju, the first Hokage Hashirama Senju, Tsunade, Obito Uchiha, and Madara Uchiha.