Gambit comes from the word meaning "any maneuver by which one seeks to gain an advantage", from the French word gambet, from the Italian gambetto 'tripping up', from gamba 'leg'.
It may also refer to African-American folk songs known as Jubilees.
In popular culture, Jubilee is the 'mutant' name (a contraction of Jubilation Lee) of one of the protagonists of Marvel's X-Men line of comics.
Mystique is the 'mutant' name of Raven Darkhölme, a villain and sometimes anti-hero in Marvel's X-Men line of comics. As a mutant her ability is to shapeshift into anyone and anything.
This is also the super-hero name of DC comics protagonist Max Mercury, who is also capable of super-human speed. He is sometimes known as Mercury.
A wolverine is a small, carnivorous North American mammal belonging to the weasel family. It has a reputation for being solitary, ferocious, and exceptionally strong.