Maintenance adjustments 7/8/2026 -  Battle Style adjustments have been made. Check here for more details.

Maintenance adjustments 6/24/2026 -  New features and bug fixes have been made. Check here for more details.

 Season 17 for MY HERO ULTRA RUMBLE brings Mirko, the Rabbit Hero, as a brand-new playable character. The new season will also bring additional bonuses including exclusive costumes and special events.

Today marks the beginning of Season 17! From the entire development team, we would like to express our sincere gratitude to all players who continue to support the game.

Through our maintenance update on May 27, 2026, new features have been added and adjustments have been made. See here for more details.

Maintenance adjustments 5/13/2026 - Battle style adjustments and adjustments to text have been made. Check here for more details.

Maintenance adjustments 4/8/2026 - Battle adjustments and bug fixes were made. Check here for more details.

This free update adds Star and Stripe, marking the debut of the character affectionately known as the Number 1 Pro Hero of the United States to the game’s roster. Using her quirk, “New Order,” players can unleash devastating attacks against her foes.

We are very grateful to everyone who has supported the game and allowed us to reach Season 16. We would like to extend our deepest thanks on behalf of the entire development team. To celebrate the game's 2.5 year anniversary, we are happy to introduce a new playable character!