Co-op hero switch?

[Niflhel]

So the other day I created a 2nd hero and I helped a friend on co-op with an achievement. Anyway we were about to go quest afterwards and I wanted to switch back to my main hero, but when I went to join my friends world while on my main hero it switched me back to my 2nd hero. So I had to delete my 2nd hero for it to work. Is there anyway to play as my main hero in my friends world with 2 or more other heroes on the same gold account?

 

[m800_runner]

why do that when you can just load the other hero. it will make you join by the last loaded hero