The For Sale sign is fully lit on Warner Bros. Discovery , and three legitimate bidders are putting together offers: David Ellison’s Paramount Skydance (which wants the whole enchilada) and Netflix and Comcast (which are eyeing the WB streaming and studio operations). Warner Bros. Discovery has set a Nov. 20 deadline for first-round bids, which would be nonbinding, sources told Variety , confirming an earlier report by the Wall Street Journal. The board is expected to meet before Thanksgiving