Cable is supposed to be this super powerful psychic guy, but I guess that techno virus thing keeps it in check, so all you ever really see is him using big guns.
...idk about the comics, though, so from just his showings from cartoons, games, and movie.
Read Cable & Deadpool, he gets some RIDICULOUS feats.
Going toe-to-toe with The Silver Surfer while telekinetically rebuilding the city around him as they destroy it. He loses, but it's The Silver Fucking Surfer of course he loses