Look, everybody wants to know what’s coming next, and to have the inside scoop and to feel like an insider. so you’re free to go wherever you want and to read whatever you want.
But a good rule of thumb is that, if Marvel announces it, it’s probably happening. If you hear about it somewhere else, it’s got a greater than average chance of being wrong in some regard, if not an outright fantasy.
Fans do like to speculate, and sometimes in the course of the conversation, that speculation gets responded to like it’s fact. But that doesn’t make it fact.