Baby is 2w+ and is very fussy wakes up crying

There’s a lot of possibilities. Baby could be hungry, gassy, colic, sleepy/tired, dirty diapers, seeking for comfort etc. Did you try to swaddle baby? Is the room temperature okay? For me, I swaddled baby, set air con to 26 degree, play baby music softly at the background.

if hes gassy, try to burp baby after every feed. and do the bicycle exercise during diaper change. gassy tummy can cause alot of discomfort to them as their digestive system is still developing.