So, if you're at all familiar with superheroes (which you should be - you are reading this article), you'll know that their main hobbies include looking badass, killing aliens and eating Schwarma-type foodstuffs afterwards. Perhaps the most significant of those slightly unorthodox occupations is their trend of honorably slaying whatever space-based concoctions that void in the sky can throw at their home planet.
So, as another day passes, rather than simply singing the praises of Tony Stark, Bruce Wayne and their peers, I figured I'd cut the extraterrestrials some slack this time around, and let you all know that there are (shockingly) a few races out there that could hold their own and potentially defeat the Earth's fictional mightiest.
No, for real.
So, without further ado, here's a rundown of the top five non-Earthly organism species that could kick the Avengers' butts.
1. The Mimics
Probably most notable for their latest appearance in Tom Cruise's blockbuster Edge of Tomorrow, these fellas sport all kinds of technological advantages. Capable of limb movement that rivals the speed of sound, this race certainly gave an advanced human race more than a run for its money.
Of course, they were eventually defeated by a tag-team of Emily Blunt and Tom Cruise, but their downfall was the product of a lot of happy coincidences for the human race. Given that the Avengers probably wouldn't stumble upon such fortune, it's easily said that they'll have a tougher time.
On top of that, these creatures attack in massive groups and are capable of incredible stealth. Typically, they bury themselves underground and attack when disturbed. The troubling thing is, if you swap underground with my bedroom... that's basically me on weekends.
The most important factor for this race, and quite clearly their most powerful weapon, is their ability to consistently and successfully manipulate time. If any of their leaders are killed (Alpha Mimics), their central hub of information 'resets' the day - so essentially they'll just keep trying until they win.
Good luck, super squad.
The Reapers are a highly technologically advanced race from the depths of space, who reside in the somewhat chaotic universe of the Mass Effect gaming franchise. Their origins are completely unknown, suggesting they are eternal machines or have survived long enough to seriously upgrade their firepower and defense systems.
They are known to 'hibernate' in 'dark space' - the lightless voids between galaxies & stars, similarly to Marvel's Dark Elves. They travel typically in groups, and both their space travel and space combat abilities completely dwarf that of humanity's in the year 2186. Intelligence suggests these creatures can travel 30 lightyears in a period of just 24 hours. You don't have to be a race enthusiast, or the Flash, to know that that is seriously fast.
By the year 2186, the Reapers have harvested most known galaxies and planets. There are said to be over 400 processor ships that have touched down on Earth's surface, putting Reaper-caused human death tolls up to 1.85 million a day. Essentially, these things could take us all out in - give or take - a decade.
Oh, and, also, their biggest gun has the destructive capability of 454,000 tons of TNT. So there's that.
3. The Flood
These people are a particularly nasty race. They make their home in the world of Master Chief's Halo game series, and are not actually that focused on during the franchise. However, when you look at the specifics, and this race's powers - you start to see just how powerful they could be.
The Flood are similar to the Skrulls and Marvel's Venom Symbiote. Like much about the Flood, their origins are unknown, although we do know that humanity first came into contact with them at some point before 110,000 BCE. They are essentially a virus, who, in an almost cliche fashion, take over a host's body and command it for their own use.
Unlike the Reapers, this species is not so synthetic. They are technologically advanced through biology. As an example, when a host's body is taken over, they can transfer its memories and knowledge to other Flood members and organisms. Essentially, all they need to do is latch on to an Avenger to discover all the others' weaknesses.
The true power capabilities of this race are unknown. Their combat forms are all highly dependent on the body of the infection's host. What we do know is that they can infect any living organism, and are highly contagious - so put a Flood-infected fly inside Avengers Tower, and it's pretty much game over.
4. The Krogans (Pre-Genophage)
Although an allied race, and seemingly friendly with humans, this species is incredibly powerful and - no doubt - would be able to deal with Marvel's superheroes quickly and efficiently. Sporting "skin only penetrable by a molecular blade," incredibly long life spans, high reproduction rates (pre-Genophage) and Wolverine-like healing factors, these glorified frogs pack one hell of a punch.
Before I continue, I'll first explain that the Genophage was a hormone regulation programmed dropped by overseers of the Krogan race that reduced their incredibly high birth rates to 1:1000. If this hadn't happened, galaxy scale overpopulation would have occurred, and the Krogans would be forced to kick others off of their home planets. For the sake of this article, and painting them as a villain, I'm using their pre-Genophage form.
The Krogans' psychology is also pretty scary - they live for up-close, gory battles. A particularly ritualistic race, they go through all kinds of tough rites and rituals to prove their worth, and place an emphasis on quality over quantity. Their immense strength on their home world sees them make nearly unstoppable bodyguards, whilst the more bloodthirsty among them become mercenaries and elite warriors.
What I'm saying is, if you pitch pretty much any army in the world against a brutal, regenerative, quickly multiplying and super tough enemy, I think it's pretty obvious that the enemy will win.
There we have it! The four alien races that could defeat the Avengers.
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