IRON MAN BUILT THE DEADLIEST SENTINELS OF ALL — OUT OF ADAMANTIUM, IN HIS SLEEP!
Avengers & X-Men: AXIS #1 (2014), by Rick Remender & Adam Kubert — Red Onslaught uses Xavier's stolen telepathy and Stark's buried Civil War weakness files to make the sleeping Tony build two adamantium Stark Sentinels with Pym-particle prison rays.
READ THE FULL FACT →AFTER M-DAY, THE GOVERNMENT PARKED SENTINELS AT XAVIER'S SCHOOL — TO PROTECT THE MUTANTS!
Sentinel Squad O.N.E. #1–#5 (2006), by John Layman & Aaron Lopresti — after Decimation, O.N.E. stations piloted Sentinels at the Xavier Institute as protectors, their crews trained under James Rhodes.
READ THE FULL FACT →TWO JUNK-BUILT WILD SENTINELS KILLED MORE THAN SIXTEEN MILLION MUTANTS IN A SINGLE AFTERNOON!
New X-Men #114–#115 (2001), “E Is for Extinction” by Grant Morrison & Frank Quitely — Cassandra Nova seizes the hidden Ecuador wild Master Mold via Donald Trask III and sends its Wild Sentinels against Genosha's 16.5 million mutants.
READ THE FULL FACT →THE DEADLIEST SENTINELS WERE HUMAN PATIENTS TURNED INTO SLEEPER CYBORGS!
X-Men vol. 2 #64 (1997) first Prime Sentinels, by Scott Lobdell & Carlos Pacheco — Bastion's Operation: Zero Tolerance nanotech sleepers; launched #65, shut down #69; Karima Shapandar became the Omega Sentinel.
READ THE FULL FACT →A LONELY TEEN REBUILT A MUTANT-HUNTING SENTINEL IN HIS DAD'S JUNKYARD — AND KEPT IT AS HIS BEST FRIEND!
Sentinel vol. 1 #1–12 (2003–2004), by Sean McKeever & UDON — Juston Seyfert rebuilds a Mark VI in his father's salvage yard; sequel series 2005; later Avengers Academy and Avengers Arena.
READ THE FULL FACT →LOKI FUSED THREE SENTINELS INTO ONE SIX-ARMED MONSTER — AND SENT IT AT SPIDER-MAN!
Acts of Vengeance (1989–90); The Amazing Spider-Man #329 (1990): Loki magically merges three Shaw Industries prototype Sentinels and aims the Tri-Sentinel at a nuclear plant; Captain Universe-powered Spider-Man destroys it.
READ THE FULL FACT →TWO KILLER ROBOTS WENT THROUGH A MAGIC PORTAL AND CAME OUT AS ONE MAN
Uncanny X-Men #191 (1985), Uncanny X-Men #246–247 (1989), X-Men #52 (1996)
READ THE FULL FACT →THE MAN WHO BUILT THE MUTANT-HUNTING ROBOTS WAS A MUTANT HIMSELF
X-Men #57 (June 1969), X-Men #59 (August 1969), Avengers #103–104 (1972)
READ THE FULL FACT →