Tesseract

The Tesseract is a crystalline cube-shaped containment vessel. It harnesses the power of an Infinity Stone contained inside to convert it to unlimited energy.

World War II
In 1942, during World War II, Johann Schmidt, the commander of HYDRA, invaded Tonsberg, Norway and found the Tesseract hidden in a church. Schmidt took the Tesseract back to his headquarters in the Alps to be experimented by Dr. Arnim Zola.

Capabilities
The Tesseract is a containment vessel that houses an Infinity Stone, representing the fabric of space. If used correctly, the Tesseract can open gateways to any part of the universe and provide interdimensional travel. The Tesseract can also be used as a power source.

Known Users

 * Johann Schmidt/Red Skull - over the years, Schmidt studied Norse Mythology and came to a conclusion that the Tesseract was left on Earth, eventually finding it.