 Additionally, Jack and Charlie face two more enemies present only in the series, a pair of non-asian fighters who are even more powerful than Hikari's hitmen, after defeating them, then they face their final enemy, the previously mentioned main antagonist whom they have to kill to finally avenge William Chung and save Shanghai for good.Due to the series' episodic nature, the characters are more developed and their backgrounds and motivations explored in much more detail than in the theatrical version.In the series, Jack and Charlie are portrayed to some extent, less ideally as in the film and more as flawed, ordinary human beings