Its no secret that Ghost Rider and S.H.I.E.L.D. have been destined to collide, and the newly-released synopsis for the fourth episode of this season's "Agents of S.H.I.E.L.D." teases that the battle may arrive sooner than expected.

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Not only is the Marvel Cinematic Universe's main hate group, the Watchdogs, poised to continue to make trouble for Daisy, the episode description promises an "explosive confrontation" between Robbie Reyes' hellfire-fueled persona and the currently-restructuring government security agency.

The synopsis also teases the potential return of characters from past seasons, or at the very least, a reunion between some characters who perhaps have been kept apart since the end of Season Three.

AIR DATE: 10/18/16 -- "LET ME STAND NEXT TO YOUR FIRE”

As Ghost Rider’s quest for vengeance brings him into an explosive confrontation with S.H.I.E.L.D., Coulson and Mack must rely on an unlikely ally in their time of desperate need; and Daisy reunites with a familiar face to stop the Watchdogs.

Airing Tuesdays at 10 pm ET/PT on ABC, "Marvel's Agents of S.H.I.E.L.D." stars Clark Gregg as Agent Phil Coulson, Chloe Bennet as Daisy "Quake" Johnson, Ming-Na Wen as Melinda May, Iain De Caestecker as Leo Fitz, Elizabeth Henstridge as Jemma Simmons, Henry Simmons as Alphonso "Mack" Mackenzie and more.