C444 China's Captain and the Super Soldier Serum!

After the spy is rescued.

Steve and the others quickly carried out a strict interrogation.

Finally, they found out the real culprit behind the scene. It was the scientist who injected the Super-Soldier Serum, the Red Skull.

"The Red Skull."

Zhao Shi was not surprised at all.

The Red Skull was the Captain America's mortal enemy.

However