The Legend of the So

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.,Sighing, Tony shook his head as if trying to shake away the last vestiges of regret. Then he said: "Ten years ago, based on my father's research, I independently developed this time-travel device. My intention was to use it to travel back in time and prevent the tragedy that befell my parents. However, I didn't know what impact altering the past would have on the future. Perhaps those I cherish here would disappear as a result, so the time journey never came to pass.",Chapter 2: The Mysterious Ancient Sword and the Dragon's Heart Flame。