Marvel's Agents of SHIELD 4x20 Promo/Preview "Farewell, Cruel World!" Marvel's Agents of SHIELD Season 4 Episode 20 Promo Marvel's Agents of SHIELD 4x20 Promo "Farewell, Cruel World!" (HD) Marvel's Agents of SHIELD 4. sezon 20. bölüm fragmanı » Starring: Clark Gregg, Chloe Bennet, Ming-Na Wen, Elizabeth Henstridge, Iain De Caestecker