The newcomer was none other than the Marvel Universe's famous female superhero: Captain Marvel.
After Carol was struck by a beam of the Kree's cosmic energy, she gained abilities such as light-speed flight, energy absorption, and energy blasts.
During one mission, she accidentally crash-landed on Earth and met Nick Fury and the others.
As Nick Fury got to know Carol, he gradually learned about her true identity and superpowers, and began working with her to confront the Kree threat.
In the process, they developed a deep friendship and became trusted partners. Before leaving Earth, Carol gave Nick Fury a cosmic pager he could use to contact her.
Carol said she had come to Earth this time because she had received a message from Nick Fury: [Earth is in danger. Return immediately.]
"I'd already gotten a pretty good grasp of the situation before you came back. I can't stay on Earth for long. After all, unexpected things happen in the universe all the time."
Carol "told it like it was." A short stay was fine, but if Thanos didn't show up for ten or twenty years, she couldn't spend all that time on Earth. Captain Marvel had a very broad jurisdiction in the universe, after all.
Carol was quite frank. "I'm willing to believe what you've discovered, but are you certain Thanos will come?"
A trace of doubt showed in her eyes as she folded her arms and waited for an answer.
"He will definitely come."
Lin Ze answered without hesitation, his eyes brimming with confidence as his expression turned solemn. "Thanos is very stubborn. He won't give up on his ideals and goals. Besides, there's a kind of resonance between the Infinity Stones. They attract one another and long to become one. I can feel the Power Stone getting closer