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Iron Lung
Iron Lung

Iron Lung

2026 125 min ★ 7.3 Horror, Mystery, Science Fiction

The stars are gone. The planets have disappeared. Only individuals aboard space stations or starships were left to give the end a name -- The Quiet Rapture. After decades of decay and crumbling infrastructure, the Consolidation of Iron has made a discovery on a barren moon designated AT-5. An ocean of blood. Hoping to discover desperately needed resources they immediately launch an expedition. A submarine is crafted and a convict is welded inside. Due to the pressure and depth of the ocean the forward viewport has been encased in metal. If successful, they will earn their freedom. If not, another will follow. This will be the 13th expedition.

▶ Watch Trailer

Cast

Mark Fischbach

Mark Fischbach

Simon

Caroline Kaplan

Caroline Kaplan

Ava

Troy Baker

Troy Baker

David

Elsie Lovelock

Elsie Lovelock

SM-8 Research Lead / The Speaker (voice)

Elle LaMont

Elle LaMont

SM-8 Research Assistant / The Whisper (voice)

Mick Lauer

Mick Lauer

The Guy Who Told You to Cross the Wires (voice)

Dave Pettitt

Dave Pettitt

The Father

Holt Boggs

Holt Boggs

Eden Soldier

Isaac McKee

Isaac McKee

Young Simon

Roman Parsons Crow

Child of Eden

Details

Director

Mark Fischbach

Tagline

"This is not an expedition. It's an execution."

Status

Released

Original Language

EN

Budget

$3,000,000

Revenue

$51,226,173

Production

Markiplier Studios

Reviews

C

Chris Sawin

February 6, 2026

★ 6/10

The film’s slow burn wouldn’t feel so staggering if it built to something wholly worthwhile. The blood, hallucinations, and sea creature are all great, but they’re too fleeting to make a lasting impact. Iron Lung promises something grand and cosmic, but its climactic reveal is abrupt, with few scares and only a brief glimpse of the monster. Ultimately, it’s two hours of tension that end in a blood...

C

CinemaSerf

February 8, 2026

★ 6/10

This time, it’s a “quiet rapture” that has caused mankind’s latest apocalypse, and so for the next couple of hours we spend time with a convict (Mark Fischbach) submersed in a vast and deep ocean of blood. He has been welded into a rust-bucket that has seen better days and with the windows sealed for his safety, he is informed of his mission only by instructions from the surface as he searches for...

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