He accidentally traveled to the Marvel world and became Iron Man.
Fortunately, it is bound to the system and can summon characters in the Naruto world at will.
Thanos waved the infinity stone on his hand: Do you believe that if I snap my fingers, half of the people you summon will die?
Toni Stark: First you have to be able to move, Shikamaru, shadow bound!
To compete with gods in a mortal body?
Thor Stark: No, I am God!
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.