Krug was a Stonebank's henchmen which appeared in the third part of the Expendables. He was portrayed by Ivan Kostadinov.
As a former soldier (possible commando unit), he possesses a great set of hand-to-hand and weapon fighting skills.
When Barney Ross's team tried to escape after liberating the young Expendables in Albania, he engaged Lee Christmas in H2H combat. After a brutal fight, he's killed by Christmas who deadly wounded him using a knife.
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Seen earlier in the film firing an RPG at Barney Ross and Co.