Christmas Eve

Watching Lu Qi and Tony leave, Old Captain America picked up the case, then tapped his watch twice.

A layer of nanomaterial rapidly spread from the watch, eventually covering his entire body.

"Disguise mode, activated."

The silver-white nano armor instantly turned Old Captain America into someone else. He coughed, adjusted his voice, and headed into the base.

With his disguised identity, he easily entered the underground laboratory.

After glancing at a spot in the storage room, the nano armor on Old Captain America vanished, revealing his true appearance.

In that form, he returned the Space Stone to its original place and began restoring everything around it.

He even put the case containing the Space Stone back where it had been, then dug out several documents and placed them on top of it.

Only after finishing all that did Old Captain America activate his watch, transforming back into his previous appearance before taking the elevator out.

Not long after Old Captain America left, a screen deep within the storage room suddenly lit up. A blurry face appeared on it, its expression faintly showing confusion.

"Are these people playing memory games with the Space Stone for fun?"

Using several hidden cameras, Old Captain America saw everything. A satisfied smile appeared on his lips before he headed toward Carter's office.

"Damn it! My Pym Particles are gone! That was my proudest invention! We have to find the culprit!"

As he walked, Old Captain America also saw Doctor Pym roaring at the guards, drawing plenty of attention.

But he merely glanced over before continuing onward.

Entering Carter's office, Old Captain America casually turned around the photo that another Captain America had picked up earlier before knocking on the inner door.

"Who is it?"

"Me."

"Come in."

Old Captain America pushed open the door. Carter