The narrator discusses the story of Metal Slug 4, where a new evil military group is forming in a distant region, and there are rumors of alien activity. Agents Marco and Tarma, along with Cold and the Sparrows, are sent to stop this threat. They soon discover that General Morden is involved, and that he has teamed up with aliens to take over the world.
The story then jumps to Metal Slug 5, where a terrorist organization called Amadeus is planning to launch a cyber virus that can hack into digital weapons systems. Marco and Cold are sent to infiltrate the Amadeus base and stop the virus. They discover that General Morden is also involved in this plot.
The narrator then summarizes the story of Metal Slug 6, where General Morden's true intentions are revealed. He is an alien who has been living on Earth for 3,000 years, and he has been using his advanced technology to try and take over the world. The protagonists must stop him and his plan to reset the world's history.
The narrator concludes by mentioning that there are still more games in the Metal Slug series to cover and invites viewers to like and subscribe for future videos.
Here are the key facts from the text:
1. The story is about the video game series Metal Slug.
2. The narrator is discussing the story behind the games.
3. The first video covered Metal Slug 1, 2, and 3.
4. The current video is covering Metal Slug 4.
5. Metal Slug 4 is not a direct sequel, but rather a new storyline.
6. The world experienced a period of peace and tranquility after the events of Metal Slug 3.
7. A new evil military group is forming in a distant region of the mountains.
8. There are rumors of alien activity in the same region.
9. Agents Marco and Tarma, along with Cold and the Sparrows, are sent to stop the threat.
10. The team discovers that the new army is being aided by aliens.
11. The aliens are revealed to be Martians, who are sucking the brains of their companions.
12. The team must join forces with the Martians to stop the new army.
13. The story jumps forward in time, and a new threat emerges in the form of a terrorist organization called Amadeus.
14. Amadeus is planning to launch a cyber virus that can hack into digital weapons systems.
15. Marco and Cold are sent to infiltrate the Amadeus base and stop the virus.
16. They discover that Amadeus is being aided by General Morder, who has created a cyborg replica of himself.
17. The team defeats the cyborg and escapes the base before it explodes.
18. A mysterious file is sent from the base, which is revealed to be a message from General Morder.
19. General Morder has begun to build his military force again, and Marco and Tarma must stop him.
20. The team discovers that General Morder is not human, but rather an alien who has been hiding on Earth for thousands of years.
21. The alien's true intentions are revealed: he wants to reset the planet's history and start anew.
22. The team must stop the alien and his plans to reset the planet.
23. The story concludes with the team defeating the alien and saving the planet.