The Eternals

Putting everything else aside, although Chen Changsheng was determined to eliminate the hidden danger of the Celestial Embryo once and for all, if it truly merged with Earth, it would indeed be a difficult problem to solve.

After all, he couldn't exactly destroy Earth outright.

For a moment, Chen Changsheng felt helpless. He even found himself thinking of Thanos's way of solving problems: eliminate half the population, thereby delaying the Celestial Embryo's awakening.

The thought flashed through his mind and vanished. His expression quickly turned solemn as he decided to keep the news sealed for now and not let Thanos find out. Otherwise, there was no telling what that madman with his lofty ideals might do.

After thinking it over, Chen Changsheng decided to send Thanos to the Quantum Realm for the time being, to explore the unknown. Having a Cosmic Overlord-level force on Earth was ultimately affecting his ability to act.

With Hank Pym's family's previous experience exploring the Quantum Realm to learn from, Umbrella Corporation's efforts to assemble an exploration team proceeded exceptionally smoothly.

Tony Stark was a man cursed by knowledge, possessing a genius's mind. Any problem could be solved with just a little thought. Now, there were three such people on Earth.

Tony Stark, Thanos, and Rocket Raccoon.

What kind of sparks could three top geniuses in their respective fields create when brought together? Almost as soon as Chen Changsheng proposed exploring the Quantum Realm, they began exerting themselves in their own fields.

Rocket Raccoon and Tony constantly improved the mechanical structure of the Quantum Realm exploration vessel; Tony and Thanos continuously refined the shortcomings in Hank Pym's theories; Thanos and Rocket Raccoon kept coming up with new ideas for carbon-based life-support systems in the Quantum Realm...

In short, inspiration erupted everywhere, and one brilliant invention