WWE Royal Rumble 2022: Predicting All 30 Entrants
21. Big E
He hasn't been confirmed for the match yet, but given WWE's reported WrestleMania 38 plans, he's probably the favourite to win at the moment.
Roman Reigns vs. Brock Lesnar is still in the works for The Showcase of the Immortals, despite Brock becoming WWE Champion at Day 1. This opens up the possibility of Bobby Lashley dethroning 'The Beast' (likely via chicanery) in their Royal Rumble title fight.
Following that, E can rise up, win the Rumble, and challenge Lashley, his old rival, at 'Mania. It makes sense, but WWE doesn't always do what makes sense. We'll have to wait and see.