Soren apparently likes keys; he ususally holds her mom's keys during collections. Mandy lifted him up to let him unlock (or lock) the door, but he couldn't do it yet.

Venom: Do you like a key? I like it too.
Soren: !@$#@#%#$
Venom: Oh.. really? My mom doesn't let me have a key so that I can't enter my house.
Soren: !@#!@%$%!#$