Image Credit - USA Today

If you're thinking Christian Bale's hideous villain Gorr the God Butcher will haunt you forever after seeing "Thor: Love and Thunder"

Image Credit - USA Today

That's right, Bale unleashed an impromptu and prolonged Gorr super-howl on his first day of filming director Taika Waititi's Marvel film.

Image Credit - USA Today

"There was this scream that was never-ending," says Bale, laughing about the dark moment now.  

Image Credit - USA Today

"It was a scream people might have thought was ending soon. But, no, it kept going and going and going, I could tell, no one quite knew what to think. 

Image Credit - USA Today

"That scene will never see the light of day."

Image Credit - USA Today

Bale's deathly, head-scarred Gorr, whose inky mouth drips black bile, is charged with bringing the fear.

Image Credit - USA Today

"That was my job, to come in and provide that creepiness element," says Bale, 48. 

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"You have to find that edge, what's too little, what's too much. And hit the right note." 

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Bale, unrecognizable in his Oscar-nominated role as Dick Cheney in 2018's "Vice" and who famously lost more than 60 pounds for the thriller "The Machinist" 

Image Credit - USA Today

The hideous prosthetic-heavy look took four hours in the makeup chair before going on the set each day.