Analysis of information sources in references of the Wikipedia article "Low-budget film" in English language version.
A month after Bruce's death, Enter the Dragon was released. (...) The film went on to gross over $200 million, the ratio of cost to profit making it perhaps the most commercially successful film ever made.
Three weeks after Bruce Lee died Enter the Dragon was released in the United States and became an instant hit. The movie, made for around $800,000, made $3 million in its first seven weeks. Its success spread to Europe and then worldwide. It would eventually make over $200 million, making it one of the most profitable movies of all time.
Enter the Dragon cost just $850,000 to produce and by 2006 had earned more than $265 million at the box office. And with a mere $130,000 production budget, Way of the Dragon went on to gross more than $85 million.