"IT'S MOCKING ME JAWN"
"No Sherlock he IS you you can't do that orz."
So Mycroft somehow contacted the Doctor and asked him to bring little Sherly to the future for the lulz. Okay so I know that it can't happen but silly comic is silly orz.
...I have a strong feeling that Sherlock has the amazing ability to cock block himself anyway XDDD *bricks in face*.