NBA's Markelle Fultz Gets Amazing Foot-Long 'Black Panther' Tattoo On Thigh

NBA star Markelle Fultz is taking Wakanda Forever literally ... he just got a foot-long image of the Black Panther tattooed on his thigh -- and it's AMAZING!! TMZ Sports has learned back in the summer, Fultz hit up "Ink Master" star Roly T-Rex…