All For One's will has taken root in Tomura's mind, and this new entity is now a global threat. Even so, the United Nations is hesitant to dispatch heroes to Japan, but Star and Stripe--the U.S.A.'s number one hero--arrives to tackle this menace head-on. In the skies over the Pacific, the combatants size each other up, trying to gain an advantage, but there's no telling who'll be left standing after the dust settles on this epic duel...

"The terrifying fusion of Tomura and All For One now seems unstoppable. Since the villains have the upper hand, even the president of the United States is considering the unthinkable--capitulating to Tomura. But Mirko, Edgeshot, and Jeanist are still on the scene, holding on for dear life. The heroes' big plan was always to pit Midoriya against Tomura, and when the young hero finally arrives and sees what's happened, all bets are off--Midoriya's ready...