During excavations at Ronaldsway in 2008, three burial sites and the remains of a village were unearthed.
Archaeologists found that one skeleton bore the marks of a violent death.
Allison Fox from Manx National Heritage said: “We found cut marks to his fingers, ribs and knees, as if he’d been defending himself.”
“He sums up what was happening at the end of the Bronze Age.
“Society was changing, climate change was occurring and there was more competition.”
The human remains were first uncovered during the extension of a runway in 2008.
Field Archaeologist Andrew Johnson said: “To find bodies in such good condition is very rare.