The journey of the “3 Ninjas” series is interesting to consider, particularly how it progressed over time. The first movie in the set remains memorable, even if it wasn’t a huge hit with critics; it has a distinct feel of the 1990s that appeals to many people. Rocky, Colt, and Tumtum are likable characters, especially when they're learning martial arts from their grandfather, Tanaka. Though the movie doesn't go deep …