I Stream DC on Marvel - Chapter 30: Gwen in danger!

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

Consequently, he found –

A piece of metal scrap
A robot trash collector
A battleground
A city
A ton and more of gold
A copy of high-tech documents
A…
In short, Chen Jin found a planet.

- Description from Novelupdates

What happens when a scientist from a futuristic world reincarnates in a World of Magic and Knights? An awesome MC is what happens! A scientist’s goal is to explore the secrets of the universe, and this is exactly what Leylin sets out to do when he is reincarnated. Dark, cold and calculating, he makes use of all his resources as he sets off on his adventures to meet his goal. Face? Who needs that… Hmmm… that guy seems too powerful for me to take on now… I better keep a low profile for now. You want me to help you? Sure… but what benefit can I get out of it? Nothing? Bye. Hmmm… that guy looks like he might cause me problems in the future. Should I let him off for now and let him grow into someone that can threaten me….. Nahhh. *kill*-

Alternative: Leylin is transported from an advanced technological era into a medieval world— except there’s magic. Equipped with “only” his quick wits and an A.I. chip fused to his soul, he sets out to become the most powerful magus the world has ever known. In a land divided into the Light and Dark Magi, the weak can either be cattle or disposable slaves. Only the strong can determine their lives, and only they have the luxury for virtue. Yet strength is only a tool for Leylin, like any other. His goal, in the end, is his own.

Jiang Li traveled through time and found himself without any cheat tools, so he could only rely on diligent cultivation. After five hundred years, he became the strongest person in the Nine Provinces.Suddenly, a system appeared, claiming to be able to help him go from being a Qi Refining cultivator to becoming the number one person in the Nine Provinces.Jiang Li looked at the first task and fell into deep thought.“Please defeat your cousin, who is at the sixth level of Qi Refining.”“Your system has quite a delay,” he said.

Zhang Yan worked tirelessly for three years, all to save money and buy a house.But in the end, he discovered that all his money had been secretly transferred by his fiancée to her ex-boyfriend to fund his startup.In his fury, the God-Level Choice System was activated.1. Forgive her and receive the title “Enduring Green Turtle.”2. “Who doesn’t have an ex?” Call my ex-girlfriend and say, “I regret it. I want to get back together with you.” Reward: 30 million yuan and a “1 Yuan House Purchase Voucher.”Was there even a choice to make!?Without hesitation, Zhang Yan called his ex-girlfriend and said, “I regret it. I want to get back together with you.”“I’ll be there right away.”Fifteen minutes later, a breathtaking beauty, scoring 99 out of 100, arrived in a Lamborghini… with a household registration book in hand.(The synopsis is a bit weak, please read the main story.)