The Sentinels are a variety of mutant-hunting robots appearing in Marvel: Ultimate Alliance 3: The Black Order.
Trivia
- Sentinels are the enemy characters in Marvel Ultimate Alliance series' predecessor series, X-Men Legends, where they are major antagonists in the first game, and minor antagonists who are meant to be allies in the second game.
- The Sentinels in Marvel Ultimate Alliance 3: The Black Order are voiced by Jim Ward, reprising his role from Wolverine & the X-Men and Marvel vs. Capcom 3: Fate of Two Worlds.