[Prologue: Tony Stark needs a Life]

Doctor Strange was always fond of having some aces up his sleeve, and keeping tabs on Percy Jackson felt like the perfect occasion for him to do so. Little did he know that the teenage demigod would come in handy when it came to a certain war.

All Percy wanted to do was graduate high school, even if that meant having a kid named Peter Parker tutor him.

[I don't own Marvel or PJO/HoO, all credit goes to their creators] (do I even need to add this? Whatever, better to be safe than sorry.)