Currently no, it's not a fight that matters just yet. Joshua/Wilder is the fight at heavyweight everyone wants and Fury needs to show what he has left in his return before the hype for a proposed match up can really build.
Depending on how Tyson's comeback looks, yes. Tyson versus anyone in the top 4 would be significant as he has a legitimate claim to the throne (the most legitimate)
Yeah, as soon as he’s through his first fight, he’ll no doubt be full of beans, and the fight hype between Fury and Joshua will be in full flow.