Norse army composition

Hey guys, right now trying to learn loki and so far my games are decided in the first 8-10 mins depending on how well my hersir rush goes. Im not sure how my army composition should be. I usually go hersirs and back them up with some TA early game. For later, im not sure what to do. Especially egyptians with axeman+chariot archers are a challenge. Counter infantry are a big problem aswell. Can i get some advice on how can i build my army vs certain matchups ? Im playing titans version btw.