He is actually putting on an accent, you can hear it in his last line. He also didn’t speak too much in the trailer, so we can’t really judge it too much just yet.

The voice is normal Chris pratt but with a tiny new york accent

Literally everyone?

Instead of mama mia it's just "My gee golly gosh"...

Me

I heard that in an interview, he wasn't planning on trying to emulate Mario's VA (whose name escapes me right now). So why should we have expected anything different?

Idk I like it

Literally everyone

Very true to the games. Mario is the most uninteresting character in his own movie.