Tony Stark is a wishy-washy RINO!
Avatar turns out to be real, with knowledge of the events therein having been beamed into James Cameron's head through a crack in the fabric of spacetime. Jake Sully enters our universe and proclaims his love for a teenage fangirl who'd been espousing the above, and to be Sully's lover, on her Tumblr page. It turns out she was right.