Dobbelt slagkraft was released in the year 1991。Dobbelt slagkraft is also called as Double Impact, Doble impacto, Double impact - la vendetta finale, Dublu impact, Duplo Impacto, Geballte Ladung, Kaksoisisku, Podwójne ujecie, Dupla dinamit。
Jean Claude Van Damme plays a dual role as Alex and Chad, twins separated at the death of their parents. Chad is raised by a family retainer in Paris, Alex becomes a petty crook in Hong Kong. Seeing a picture of Alex, Chad rejoins him and convinces him that his rival in Hong Kong is also the man who killed their parents. Alex is suspicious of Chad, especially when it comes to his girlfriend.