Who's the 2? I say Cesaro's believable. Big E could be believable, but he's on that silly shyt with no aggression. Taker's and Cena is believable (well, Taker used to be and could still be at a redemptive last WM). Rusev would be with a some build and also Titus. Roman just gets in, and only because of his booking before Seth came. He's like

right now tho. Batista's definitely believeable, but he gotta crush some heads first, to make up for getting swept by The Shield.
IDK about anyone else. It takes the right amount of speed, strength, and impact moves to look like you can hang.