Marvel's Inventor System

Introduction: [A-level signed work: Marvel Inventor System] Marvel world, superheroes!Yuntian travels to the Marvel world, obtains the inventor system, becomes good friends with Iron Man, builds steel armor together, and becomes Iron Man.Iron Man: Teach me some advanced technology, we are good friends, my armor can be perfected with a little more.Hulk: Prepare me a potion so that I can transform freely. I don't want to run away and lose my mind as soon as I transform.Captain America: Build me an awesome shield, otherwise it would be so boring to be punched by you all the time.Black Widow: Are you going to pamper me tonight?I have learned new skills~~ Yuntian: I am an omnipotent inventor, hahaha~~~ In the vast universe, Yuntian wants to...