Tony Stark is the only one who meets the following conditions 1)has a cell phone 2)that's not broken 3)knows how to operate it 4) and is willing to accept unsolicited texts from unlisted numbers.
See in context that makes sense.
Or does it?
I feel I should talk about my motivations, what inspired me and if I learned anyting from this but uuummm.... nope.
Thor learned an important lesson.
Loki has to bullshit another letter to Princess Celestia.
Tony Stark's phone number ended up posted all over the internet and half the bathrooms on the eastern seaboard.
--------I learned Tumblr