He was selling gashapon toys in Marvel Studios, and at the beginning, Tony turned into Kuuga.

(Ratings have just been released, please ignore them)
Transmigrating into the Marvel universe, Li Ang is bound to the [All-Heavens Gacha System], starting with an unlimited prize pool!
With his arrival, this world filled with technology and mutations was completely derailed!
Iron Man transforms into Kamen Rider Kuuga, "A nuclear reactor? No, it's the Heart of the Spirit Stone!"
Captain America transforms into Captain Tiga, the Light Captain! "Shield? No, Daigo... oh no, Steve has become light!"
The Hulk transforms into a Super Saiyan! "Anger only makes him stronger? No, it also turns his hair golden!"
Black Widow summons her Stand user, "Still using a pistol? Come see my Crazy Diamond!"
As the store's rating increases, even more outrageous items are added to the shelves:
Once the Anywhere Door opens, you can go wherever you want!
With a Senzu Bean, he instantly regained full health. Death? Not a chance!
A time machine! Loki, the god of stories, is bewildered. Is the timeline your backyard?
Nick Fury, the director of S.H.I.E.L.D., looked at the bizarre scene and covered his face in despair: "I just wanted to form the Avengers, not the Leon Alliance!"
Thanos descends upon Earth with the Infinity Gauntlet, only to find a row of strange adversaries before him.
Thanos: "Excuse me, is it too late for me to leave now?"
Li Ang sat upright on the void throne, shaking the soda in his hand: "Want to leave? Try drawing a gacha first, maybe you can get enough for your trip home."