You could say "¿Qué comida estás trayendo?", "¿Qué comida vas a traer?", "¿Qué comida traes?", or "¿Qué comida traerás?"
Eres trayendo
if you were trying to say "I am bringing ____ to the picnic" for example you would say "traigo/estoy trayendo _____a la jira (to the picnic)"
Comida is the Spanish word for "food".
comida
comida
comida
comida
La comida
(La) comida.
Comida buena.
"Quiero comida."
Mi alimento es