How Many Heroes Will There Be in Total

I think rivals will be here to stay. And it's looking and going gooooddd. I mean I love it mann. But how many heroes will there be exactly. Currently I love new heroes each month. But till when?? Like given this rate idk 60+ heroes?? Like it might seem good but idk in long run won't it just get too spread out?? Imagine just being a new player choosing from 60+ characters? Everyone will just start chasing meta// I'm not complaining and def. love the new characters again and again but just a thought will it turn out to be bad someday or just me overthinking