The late comedian's son accuses her of using "illegal, fraudulent" activity to obtain the rights.
The family believes that the man for the role is Marlon Wayans.
Legendary comedian living with potentially deadly illness.
Comedian stuns crowd with bizarre stand-up routine.
"Wattstax," the documentary of “Black Woodstock,” was released on Feb. 4, 1973.
Actor's lawyer has sent letters threatening to sue "Brando Murphy."