Breakdown of A equipa vai pôr a marca no chão para nós gravarmos.
nós
we
em
in / on / at
ir
to go
para
to / for
Questions & Answers about A equipa vai pôr a marca no chão para nós gravarmos.
Why is it gravarmos instead of the normal infinitive gravar?
This is the Personal Infinitive in action! Because the subject changes from a equipa (the team) in the first half of the sentence to nós (us/we) in the second half, we conjugate the infinitive to match the new subject. The -mos ending tells us that we are the ones doing the recording.
Why do we say para nós (for we) instead of the object pronoun nos (us)?
Why does gravar translate to "shoot" instead of "record"?
You are right that gravar literally means "to record" (either audio or video). In Portuguese, it is the most common and natural way to say "to shoot" or "to film" when talking about video production, movies, or television.
A equipa is a group of people, so why do we use the singular verb vai instead of the plural vão?
Although a equipa (the team) refers to multiple people, the word itself is a grammatically singular feminine noun. In Portuguese, collective nouns always take a singular verb, so we use vai (is going) just like you would in American English.