The prophesized chain reaction is about to take place on Marvel's Agents of S.H.I.E.L.D. "All Roads Lead" is the 18th episode of the show's fifth season.
Talbot brings Coulon to meet the enemy on Marvel's Agents of S.H.I.E.L.D. "The One Who Will Save Us All" is the 20th episode of the show's fifth season.
Glenn Talbot, under the influence of gravitonium, declares himself Earth's mightiest hero and that he will single-handedly save the world from Thanos in Agents of SHIELD Season 5 Episode 20.