If you could choose any character from the Marvel universe and you will have his super power, which one would you pick?

Imagine you have the ability to teleport to any location you want in the world, however you can use this ability only once in your life, what would you do with it? How would you use it?

Whether they are on the International Space Station, or on a manned flight, if an astronaut dies in space, what would his colleagues do with the body?