The Legend of the So

Iron Man suddenly chuckled dryly, speaking to himself: "My father participated in the rebirth plan back then, keeping a tube of the most original super serum. I don't know what side effects it has. I've always kept it as a treasured relic from him, dear Guan..." Tony's face instantly darkened, revealing a sinister smile, "For world peace, for enhancing your abilities, I'll have to burden you a little! Thor, hold him tight! I'm going to get started!",Daniel shrugged and whispered, "Good luck! Guan Heng!",At the end, a gigantic black shadow exuding a stench of decay stared down at him with contempt for all inferior beings. Guan Heng cried out in disbelief: "What in the world is this thing"。