I'm not Alex - spoilers
When Alex is trapped in the box and Keller turns off the hot water, Alex whispers something along the lines of "I'm not Alex". This, we find out later, is because he was the abducted child Barry, whose mother detective Loki visited earlier on in the movie.
He also says something like "I waited and he never came. I just wanted to play and he never came".
Who is this in regards to? I didn't get this at all.
Does anyone know or have an idea? Sorry if this has been asked before and I have missed the thread.
Thank you