American comic: Checking in, Gwen in black stockings rolls her eyes.

Lin Feng transmigrates to the world of American comics and awakens a god-level sign-in system, which allows him to obtain rewards by checking in at famous scenes!
Iron Man suffers a brutal backstab at the start: It hurts, it hurts so much!
[Ding! Congratulations, host, you have received the following rewards: Shadow Legion! Twelve Talismans! Black Rhino Armor!]
Light and shadow, bloodline, superhuman body, One-Punch Man, Ultra Instinct...
The rewards are incredible!
Starting as an undocumented immigrant, Lin Feng sweeps through Marvel's major protagonists and villains, dominating the multiverse!
...
Natasha: Everyone says Mr. Lin is rich and powerful, sob sob...
Treasure Girl: Lin, thank you for your advice! It's my turn now... How's my technique?
Black Stockings Gwen: Peter Parker, don't contact me anymore, I'm afraid Lin will misunderstand!
Wanda: No, Quicksilver, don't come in yet! I...I'm working out with your brother Lin!
...