Alternative Reality [Stony AU]

Part III

After his talk with Natasha, Tony was convinced to gather the Avengers and tell them about everything. They needed to know so that they could stop it before it was too late. He asked everyone to meet him at the headquarters' meeting room as soon as possible. Everyone was here within an hour. Steve was the first one to arrive and he was nervous about what Tony had to tell them. Tony first went to take a coffee before he joined everyone in the meeting room. He looked at all of them, one by one and ended by Steve. There was no time to waste so he immediately told them the exact same thing he told Natasha a few hours ago. Everyone stayed quiet. Each one of them questioned their whole existence. What was real and what wasn't.
Fortunately, Tony managed to find out how their reality had been created. The mysterious person behind all of this must have used something very powerful such as the reality stones. Each one of them was powerful enough, but if someone brought them together, they could do anything. Tony did some research before the meeting and found the original places of each stone as well as their ability. The Avengers had to find them as fast as possible and bring them back to their original places. Tony had created a program to identify the stones' most recent activity. Thanks to it, he could know when and where they were last used. And they were last used right after his talk with Natasha. However, it would be too risky to think that the last location would still be the same after a few hours. The person could've moved anywhere within seconds. But at the end of the meeting, the stones were used again and a signal was sent directly into Tony's program. It was now time to act.