The ability specifically says each opponent, so no players are targeted and it can get around cards that give players hexproof or shroud, like Leyline of Sanctity
Most players who are in the middle of games won't have their binders out, so it never hurts to ask them the question
Its reprinted often, most recently in its Eternal Masters printing in Mystery Booster
R 0226 The Serpent Society R 0227 Speedball, New Warrior U 0228 Spider-Man, To the Rescue U 0229 Spider-Woman, Secret Agent U 0230 Storm, Windrider R 0231 The Super Hero Civil War R 0232 Taskmaster, Mercenary Mimic R 0233 Thanos, the Mad Titan M 0234 Thor Odinson U 0235 Titania, Rugged Rumbler U 0236 U.S.Agent, John Walker U 0237 Vision Quest R 0238 War Machine, Legacy of Iron U 0239 Winter Soldier, Icy Assassin R 0240 Wolverine, Fierce Fighter R 0241 Worlds Within Worlds R 0242 A.I.M
It's a really cool implementation of her quick-punching monkish abilities from the videogame, where she is a bit of a combo machine: if you manage to land a blow, you get to then launch a more powerful blow, and then a more powerful blow, and then well, by that point, you probably just won