* Bio-Sentinels-Humans infected by a technological virus created by Simon Trask, the victims become anti-mutant activists, who later at Trask's command, are fully transformed into robotic Sentinels mindlessly following Trask's commands.

* Soviet Sentinels: Created by the Soviet Union and later purchased by Cuban government officials.

William Stryker, Jr. using Sentinel Tech, later displayed an ability to summon a fleet of Sentinels after being attacked by the Shroud.

*" What if ... starring Secret Wars: 25 years later " the children of heroes are teleported back to earth where sometime in the last 25 years, a variation of " Days of future's past " is shown when the group is attacked by Sentinels

Three upgraded Sentinels are later used by S. H. I. E. L. D.

The series finale hinted at Nimrod appearing later in the show's timeline leading a new fleet of Sentinels.

Anti-mutant prejudice and discrimination was depicted through minor characters as well as more prominent ones, including Senator Robert Kelly, the Friends of Humanity ( whose activities and masks in later episodes echoed white supremacy groups such as the Ku Klux Klan ) and robotic Sentinels.

In the beginning, scattered code fragments of Neo's " RSI " ( Residual Self Image ) were found on the bodies of the impostor Agents who appeared across the Mega City during Chapter 1. 1 ( later revealed to be Sentinels under the command of The General program ).

Pyro is later rescued by Beast, and aids the team in defeating the Sentinels.

Alex was later captured by Larry Trask and his Sentinels, who were bent on controlling or eradicating all mutants.

" Approaching him later in his cell, Emma reveals that she has captured Shaw for Namor and on the basis that the Sentinels he commissioned were ones later used by Cassandra Nova to destroy Genosha.

However, shortly after he was captured by Sentinels alongside several others mutants but was later released, after which he teamed with the Blob and Mastermind as agents of the second Secret Empire ; they were defeated by the Beast, and then held prisoner by the Secret Empire.

" Approaching him later in his cell, Emma reveals that she has captured Shaw for Namor and on the basis that the Sentinels he commissioned were ones later used by Cassandra Nova to destroy Genosha.

The original Master Mold is eventually destroyed when Trask sacrifices himself by causing an explosion to prevent the Sentinels taking over humanity, but several others are later built by other people who want to manufacture Sentinels.

In order to avoid infringing on the original designs for Macross characters designed by Haruhiko Mikimoto, Miriya, like other Macross characters was redesigned for later Robotech productions, including Robotech II: The Sentinels.

Monet later falls under Cortex's mental control and proceeds to attack her teammates until they are attacked by three Sentinels from the future.

She later assists Havok's squad when O * N * E, a squad of government-run Sentinels arrive to protect the remaining mutant population seeking refuge at the Institute.

Simon & Kirby's own Sentinels of Liberty ( later the Young Allies ) had already succeeded in this mold, and had an influence on their subsequent creation.

Mesmero's master was later revealed to be a robot in the form of Magneto, and a Sentinel attack resulted in Mesmero being captured by Sentinels.

In " Foresight ," he ends up launching the Sentinels to Genosha under orders of Senator Kelly ( who was really Mystique in disguise ) and later gets knocked out by him.

He would have been a main character in the storyline of the aborted animated sequel series Robotech II: The Sentinels, which was later realized as both a series of a novels and comic books.

* Sentinels appeared in a number of episodes of the X-Men animated series voiced by David Fox.

* The Sentinels appeared in the Spider-Man: The Animated Series episode " The Mutant Agenda ".

* Sentinels have appeared in the Wolverine and the X-Men animated series voiced by Jim Ward.

* Sentinels appeared in an early draft of the first X-Men film, wherein Henry Peter Gyrich and Bolivar Trask attacked the X-Men with the Sentinels, but this treatment didn't make it past the concept stage.

Recently, Sentinels appeared in X-Men: The Official Game.

Sentinels have appeared as major antagonists in almost every video game to feature the X-Men.

Magneto appeared, seemingly repowered, reactivating Sentinels to attack the X-Men just as they had recently relocated to San Francisco.

" The Sentinels ", by Gary Friedrich ( writing his first superhero stories ) and penciler-inker Sam Grainger, appeared in # 54-59, and # 60 had the Prankster, written by Dennis O ' Neil with art by Jim Aparo.

Another version appeared in Ultimate Comics: X-Men, based on William Stryker who when unleashed his mutant power ( Technopathy ) infused some of his brain patterns on the new Nimrod Model Sentinels.

The character first appeared in Uncanny X-Men # 191 ( March 1985 ), and was created by writer Chris Claremont and artist John Romita, Jr. Hailing from the " Days of Future Past " timeline, Nimrod is a powerful, virtually indestructible descendant of the robotic mutant-hunting Sentinels.

He has recently appeared in the Sentinels story arc of Ultimate X-Men, revealed as being employed by the Fenris twins to build the new Sentinels currently attacking mutants.

In one variation of the Days of Future Past timeline seen in the Weapon X: Days of Future Now limited series, one of the Boxbots evolves into a new Master Mold and a new breed of Sentinels.

In the " Days of Future Past " timeline, which takes place in an alternate future, the " Omega Sentinels " have advanced technologically and become the de facto rulers of the United States.

An away team composed of Captain Picard, Deanna Troi, Nightcrawler and Colossus encounter an approximation of the " Days of Future Past " timeline, in which the Sentinels have merged with the Borg.

* Sentinels will appear in The Super Hero Squad Show episode " Days, Nights and Weekends of Future Past!

* Days of Future Past – Sentinels have either killed or placed into concentration camps almost all mutants.

* X-Men: The X-Men try to overthrow the dystopian rule of the robot Sentinels in the Days of Future Past storyline ( 1980 ).

In the episode " Days of Future Past, Part 2 ", during a montage of Bishop's future, Havok is briefly seen fighting Sentinels alongside Cyclops.

In the 1981 X-Men storyline Days of Future Past, it was revealed that in one possible future, Franklin would be the lover of Rachel Summers ; he would also meet his untimely death at the hands of Omega Sentinels.

In the alternate reality of Weapon X: Days of Future Now, one of Madison Jeffries ' Boxbots dubbed Bot becomes the new Master Mold and traps Jeffries ' within its body in order to use his powers to build new Sentinels without exhausting Jeffries.

In the limited series, Wolverine: Days of Future Past, the Thunderbolts are the private security force of the ruling Sentinels, under the command of Baron Zemo.

He is seen in the future epilogue of the game in which the Sentinels rule the Earth ( a la Days of Future Past ).

For their swan song, Claremont and Byrne produced " Days of Future Past " ( Uncanny X-Men # 141 – 142, 1981 ), which portrayed a dystopian future in which America is a wasteland controlled by Sentinels.