It is said "Bienvenido de nuevo"
De nada
the official language in Mexico is spanish. welcome in spanish is bienvenido.
You're welcome handsome in Spanish is three simple words. To say "You're welcome handsome" in the Spanish language would simply be "de nada guapo" and can be easily said.
Bienvenidos de vuelta
Da acogida una buena
Bienvenido a México (if said to one person). Bienvenidos a México (if said to more than one person or to people in general, as on a sign at the border).
You don't typically have to say anything in response. When someone says some variant of "You're welcome", that pretty much closes out the interaction (since you've already said "thank you").
If you mean You are welcome, it is 'De nada'
The phrase "Welcome to the States" translated into Spanish is "Bienvenidos a los Estados"
bienvenido/a (adjective) bienvenida (welcome!)
Bienvenidos a...
Usted means you all in Spanish. (: you sure cause I looked in the back of a spanish book in the spanish translation section and it said just "you"