Oh, the Inhumanity! In a new clip from "Boom," the next episode of "Agents of S.H.I.E.L.D.," former S.H.I.E.L.D. scientist Holden Radcliffe provides the Inhuman-hating Superior a means to his end. That is to say, the Superior has a plan to wipe out the Inhumans, and Radcliffe just handed him the key.

The clip begins when Radcliffe gets a late night visit from the Superior and his right hand man. In it, the Superior demands an Inhuman with which to lure S.H.I.E.L.D. into a trap. Though they don't have an Inhuman on hand, Radcliffe does have the means to create one: raw Terrigen crystals. Radcliffe tells the Superior that he received them from his previous benefactor, who happened to be an Inhuman called Hive who was hellbent on creating a world ruled by Inhumans.

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Additionally, Radcliffe now possesses the Darkhold, which holds a bevy of multidimensional knowledge. Radcliffe hopes it holds the key to immortality; the Superior believes it contains a way to wipe out the Inhuman menace. However, as seen in the clip, the Darkhold has made one thing clear to the Superior: he needs Radcliffe's help.

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According to the official episode synopsis,

A COMBUSTILE INHUMAN IS HELL-BENT ON BLOWING S.H.I.E.L.D. TO BITS, ON ABC’S ‘MARVEL’S AGENTS OF S.H.I.E.L.D.’ “BOOM” – Daisy, Mace and the S.H.I.E.L.D. team must find a way to contain an explosive Inhuman. Meanwhile, Coulson and Mack come face-to-face with Radcliffe’s inspiration for Aida, on “Marvel’s Agents of S.H.I.E.L.D.,” TUESDAY, FEBRUARY 7 (10:00-11:00 p.m. EST), on the ABC Television Network.

“Marvel’s Agents of S.H.I.E.L.D.” stars Clark Gregg as Agent Phil Coulson, Ming-Na Wen as Agent Melinda May, Chloe Bennet as Daisy Johnson, Iain De Caestecker as Agent Leo Fitz, Elizabeth Henstridge as Agent Jemma Simmons, Henry Simmons as Agent Alphonso “Mack” MacKenzie and John Hannah as Holden Radcliffe.

Guest starring are Jason O’Mara as Director Jeffrey Mace, Mallory Jansen as Aida 2.0, Parminder Nagra as Senator Nadeer, John Pyper-Ferguson as Shockley, Maximilian Osinki as Agent Davis, Damian Gomez as coffee vendor, Zach McGowan as The Superior, Ricardo Walker as Agent Prince, Daren Tadlock as Cecilio, Bryan Keith as Bynum, Sheila Cutchlow as FBI Agent Jurmain, Tom Virtue as motel clerk, Darsha Philips as field reporter, Abraham Amkpa as lab tech, Johnny Rivas as waiter and Pierce Minor as Watchdog #1.

“BOOM” was written by Nora Zuckerman & Lilla Zuckerman and directed by Billy Gierhart.

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.