After being exposed to extra-dimensional energy, Lt. Monica Rambeau gained the ability to manipulate all energies of the electromagnetic spectrum.
She has gone by many code-names..

Captain Marvel


Photon


Spectrum

..over the years whilst utilizing these abilities as a crime fighter.
Monica has served alongside the Avengers in various incarnations and operated as their leader for a time.

Origin
Monica Rambeau was born and raised in New Orleans, Louisiana. The daughter of Frank and Maria Rambeau.
She enlisted into her local police department and quickly rose through the ranks, positioning herself as lieutenant of its Harbor division.
While off-duty, she helped a scientist track down an international dictator, who wanted to use a powerful energy machine to take over the United States. After thwarting his plans, she attempted to destroy the machine and was bombarded by extra-dimensional energy.
As a result, she gained the ability to turn into any form of energy along the electromagnetic spectrum and discharge it.

Creation
The very first Captain Marvel woman was created by Roger Stern and John Romita, Jr.
Her first comic appearance was in The Amazing Spider-Man Annual #16 (1982)

Link to first post previous thread: https://community.cbr.com/showthread...!-Appreciation