Mark David Just days after he put it back on the market at a whisper below $3.3 million — it first popped up for sale late last year at $3.5 million, the former home of “Avengers: Endgame” director Anthony Russo, hidden down a private cul-de-sac in a gated and especially coveted cranny of L.A.’s Los Feliz area, is already pending sale.The extraordinarily prolific film and TV producer, collectively known along with his younger brother Joseph Russo as the Russo brothers, has owned the late 1940s