Real Name: John Foster
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Earth Sentry possesses superhuman strength and durability, due to his altered human/Kree DNA. His costume has wrist-mounted blasters that can fire photonic energy blasts. Rocket boosters on his belt allow him to fly.
were investigating a UFO crash site, and discovered a Kree space probe. Upon nearing the ship, the automated defenses activated, and a robotic sentry was released. Bill activated a distress signal which was picked up by Mainframe and the rest of the Avengers. Upon arrival, the sentry robot attacked the heroes. Thunderstrike's sonic blasts and J2's super-strength were not slowing the attacker down. Stinger was able to blind the robot's optic sensors with sting darts, providing an opening for John to enter the ship and try to turn the sentry off. When he made contact with the ship's console, a strange energy surge ripped through the ship's computers and struck John. The energy wave reconfigured John's DNA, making him genetically similar to a Kree warrior. Finding himself clad in a green-and-white costume, similar to the original costume of Mar-Vell, John discovered that he had great powers. John confronted and defeated the sentry robot, and stated that he would become an "Earth Sentry" to protect his planet from invaders, and politely declined membership with the Avengers.
But when the team was later captured by The Revengers, Earth Sentry returned and used his alien powers to help the Avengers defeat the invaders. He then accepted membership with the Avengers.
First Appearance: A-Next (1998) #2
View a chronological listing of this character's appearances
#2 Amazing Spider-Girl (2006)
- 'Suddenly... The Sentry!'#12
- 'The End of the Avengers!'
Avengers Next (2007)
#2 Last Hero Standing (2005)
- 'The Sound of Thunder!'#4
- 'Cry, My Beloved Homeworld'#5
- 'Farewell, My Planet!'
Last Planet Standing (2006)
- 'Daddy's Girl!'#59
- 'Proof of Life!'
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