Light-speed engine

A light-speed engine is a generic name for any number of technological devices seen in the science fiction genre. Such technology has gone by different names such as Warp drive, warp engine, warp core, trans-warp drive, hyperdrive, etc.

Marvel Cinematic Universe
In the Marvel Cinematic Universe, a white member of the Kree race known as Mar-Vell came to the realization that she was on the wrong side of an ages-long war with the Skrulls. As a scientist, she engaged in a plan to help bring about an end to the war by creating a light-speed engine that could ferry Skrull refugees to a new home, far from the reach of the oppressive Kree Empire.

Mar-Vell came to Earth where she assumed the human name of Wendy Lawson. She became involved with a military program known as Project P.E.G.A.S.U.S., and was able to gain access to an alien artifact known as the Tesseract to aid her in her work. She completed designs on the engine and wrote many of her notes in a journal in Kree handwriting.

Lawson selected USAF pilot Carol Danvers to fly a jet fitted with the light-speed engine on a test flight. Lawson accompanied Danvers on their maiden voyage, but they never had the chance to test the engine's capabilities. A Kree Starforce patrol, led by Yon-Rogg, came to Earth