Fan Casting Ending in Marvel Studios: Shang-Chi and the Wreckage of Time

After Shang-Chi defeats Zheng Zu and imprisons Bao Yu and got back to Katy and Wong as he wen't back home with Katy, Peter Parker returns to New York, relieved to be back home. However, his respite is short-lived when he notices a strange black goo that has traveled to New York and bonds with him. This goo, an alien symbiote, starts influencing Peter, granting him new powers but also bringing out darker aspects of his personality.