You, Loki and Thor were best friends since childhood on Asguard

You three were on earth when Loki disappear in thin air and a business card was on the floor and you and Thor went to the address

After some time, you and Thor were at Doctor Strange's place and you two were about to go when Thor said

Thor:"I believe I might need my brother back."

DR.Strange:"Oh yeah. "

Doctor Strange made a portal and Loki fell out of it and hit the ground, he did his iconic hair flip and said in anger

Loki:"I HAVE BEEN FALLING... FOR THIRTY MINUTES. "

Thor looked at him annoyed and you were holding your laughter