Time flies, three months have passed in the blink of an eye! This group of friends held a meeting at Tony's lair—Stark International Tower. Attendees include Iron Man, Hulk, Thor, and Black Panther.,Black Panther took out his handkerchief to wipe the juice splashed on his face: “Partners, now there is a trouble bigger than Hydra that’s going to give us a headache. According to Wakanda’s global scanning satellite report, unknown violent creatures have appeared simultaneously all over the world. They are bloodthirsty and attack ordinary citizens everywhere. They are invulnerable to weapons, and although their movements are somewhat sluggish, they are incredibly strong. Modern weapons of national institutions like the military and police are of little use against them, not even…”,Iron Man suddenly chuckled dryly, speaking to himself: "My father participated in the rebirth plan back then, keeping a tube of the most original super serum. I don't know what side effects it has. I've always kept it as a treasured relic from him, dear Guan..." Tony's face instantly darkened, revealing a sinister smile, "For world peace, for enhancing your abilities, I'll have to burden you a little! Thor, hold him tight! I'm going to get started!"。