Bob is none other than Robert Reynolds, a.k.a.

Sentry, a Marvel Comics superhero that was introduced in the year 2000 in his own Marvel Knights series.

Hes a double-sided weapon that can prove to be either the greatest ally or the deadliest foe.

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Image via Marvel Studios

This makes his upcoming MCU introduction all the more intriguing.

And that’s all we see of Bob!

Sentry Has Been Around for Years on Earth-616

Sentry is an imperfect and reluctant super-powered being.

Sentry flying on the cover of a Marvel comic book

Image via Marvel Comics

The serum gave him the power of a thousand exploding suns.

The ‘Breaking Bad’ and ‘Mandalorian’ star is no stranger to villainy.

Sentry was a close friend of Reed Richards.

Who Is Sidewinder, Giancarlo Esposito’s Character in ‘Brave New World’

It was later revealed that The Void was none other than a repressed aspect of Roberts self.

To prevent this from happening again, Sentry worked with Dr.

Strange and Reed to erase his memory from all of Earths population.

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Thunderbolts follows a group of unconventional superheroes who emerge in a world without the Avengers. As this new team bands together, they navigate complex missions and moral dilemmas, seeking to establish themselves as protectors while uncovering hidden threats that could jeopardize global safety and stability.

This perhaps makes Sentry one of the most notable retcons in Marvel Comics' history.

As a result of this, hes been a crucial part in most of Marvel Comics recent crossover events.

Soon after, he utilizes him to put an end to Asgard inSiege.

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More recently, Sentry has gone through a streak of deaths, rebirths, and transformations.

Cast

Thunderbolts follows a group of unconventional superheroes who emerge in a world without the Avengers.

Thunderbolts*comes to theaters May 2, 2025.

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MCU