The Mummy: Reckoning.

In the closing days of the Second World War, the SS attempt to manufacture immortality using stolen Egyptian funerary rites. What they create is not eternal life, but a mummified revenant, a sadistic officer bound into undeath by occult ritual. Buried, forgotten, and sealed beneath a British coastal fort, the relic waits. When it is uncovered decades later, the war resumes, only this time it is personal.