Marcell is a former member of the Barksdale Organization.
Season One Edit
He was drinking at Orlando's on the night of D'Angelo Barksdale's acquittal. Avon Barksdale directs Orlando to ensure Marcell pays for his drinks. When D'Angelo attempted to greet Marcell, Roland "Wee-Bey" Brice rebuked D'Angelo and Avon chastised him.