“Creed III” follows Adonis Creed — played by the magnetic Michael B. Jordan — seven years into his retirement after defeating Viktor Drago (son of Apollo’s killer, Ivan Drago) in the film prior.

“Creed” not only refers to the film’s main character Adonis Johnson (Michael B. Jordan), but also implies the legacy that the name carries. Adonis, or Donnie, is the son of Apollo Creed, the famously...