After the scene he had made in his front yard, the lust for destruction had not been sated yet. The fury burning so incredibly deep in him was insane, and like a good villain he avoided villaining where he put his head down. So after sharing words with Quill and leaving, he found himself dimension hopping.
Finding himself in some urban landscape that he was unfamiliar, not that it mattered anyway. The first person that approached him, well had a very bad day. Then the rest was whatever he wanted to do. Shops burned. Authorities were pushed back by the insane amount of fire he was throwing around. This was what it meant to be a god among the lambs.
Though when he heard his name being called out, Pyro recognized the voice immediately. John was bent over a broken fire hydrant with his t-shirt under the water and using it to wash the black soot from his face. John should of went up and put on his suit. He should had known it had shown up when it did for a reason. By the time Kitty would turn the corner John was standing again looking in her direction. "Pyro." John corrected. "Name is Pyro." He sneered lightly. "What do you want?"