Marvel: Collecting Shinra Tensei from the Start

After transmigrating to the Marvel Universe, Han Yu obtains the Myriad Worlds Grocery Store System. He collects all kinds of things from countless worlds and creates all sorts of powerful weapons.

Starting with the Naruto world, he steals Pain's Almighty Push.

Thor's hammer doesn't even count as a blacksmith's tool in my shop.

Iron Man Stark: "The Green Lantern Ring? There's actually an energy source more powerful than my Arc Reactor?"

Fire Fist Ace: "My Flame-Flame Fruit can't even compare to the lowest-ranked Heavenly Flame? I want a Heavenly Flame too!"

Fifth Hokage Tsunade: "So this is the Ox Talisman. This boost in strength could probably crush even Pain's Chibaku Tensei with ease!"

Thanos: "I'd rather die right here, or jump off my spaceship. There's no way I'd ever beg Han Yu to make me a weapon!"

"Boss Han, could you make me a glove, the kind that can control the Infinity Stones..."