This film was released under one of five titles, depending on the country it was released in. It was released under the names 'Lionheart', 'Full Contact', 'A.W.O.L Absent Without Leave', 'Wrong Bet,' and 'Leon '. The film was independently funded and so was sold to various distributors throughout the world. It is therefore assumed they just picked the title that had the most impact in their respective territories.
A sequel was planned but never materialized.
Amongst his fan base, this is still considered one of Jean-Claude Van Damme's best films despite its limited budget.
Olivier Gruner earned his credit by supplying background research regarding the French Foreign Legion to the filmmakers.