Mark Gatiss waited almost forty years to realise his childhood dreams of hamming it up as a Doctor Who baddie. He’d clearly be damned if he wasn’t going to squeeze the fun out of every background-featuring frame.
Tony got really inspired after watching Pacific Rim. The only thing that kept him from building a full-scale Jaeger were cease-and-desist letters from the Pentagon, the United Nations, and an especially stern one from Damage Control.
In other news, billionaire Tony Stark announced plans to continue his jaeger project today. When questioned about the numerous official protests and the legal actions taken by government and international agencies against the plan, Mr. Stark replied that “Given recent events, there’s no way of knowing for sure if those guys aren’t Hydra anyway, so the only really responsible thing to do is to go ahead and do what I want.”
This is totally canon. I refuse to believe otherwise.