alex mercer is fully upgraded, with all power, speed & strenght feats, and his amazing intellingence. alex has a full health bar and can only feed 3 times (a match), from hunters(from prototype), this takes place in new york, but there are no people, just objects to throw and use to anyone one's advantage. if alex passes a round he is allowed to feed.
1.arbiter (halo wars, fully upgraded, invisibilty, only energy swords and plasma nades)
2.master chief (beam rifle, spartan laser, carbine, needler, rocket launcher, and plasma nades)
i kinda exspected him to run through the arbiter, but not cheif, given the weapons he has, i thought he had a pretty good shot. i mean the beam rifle is covenant technolgy, which means it pretty good, same for carbine. and the spartan laser is beastly, takes out a wraith in one hit, and the plasma nades are pretty useful as well
Gender: Male Location: home, playing Guilty Gear Xrd.
Alex takes out arbiter and MC quite easily. as for Samus, I'm not sure how well he could handle her weaponry, but considering he could survive a nuke (albeit barely), it's safe to say that he has some chance at winning the last round.
Mercer is deadlier than a pack of Flood (and one pod almost killed Chief). Arbiter and MC have nothing that can stop him. Energy Blades? Spartan Laser? Useless against someone who can regenerate from a puddle.
Samus can actually stop Mercer with the Metroid treatment (Freeze Beam + Missiles) and the Dark Beam.
Mercer is fast, very fast, and physically one of the most "Hulk-like" strengths in videogaming thats still a street level character. He slaughters Arbiter and MC as long as he doesn't stand there absorbing energy fire like a retard. But getting through samus's more advanced tech is not something he can do. Freeze to missile spam, and Dark Beam/Hyperbeam shots would slay him quite quickly. He can't hide and disguise himself either.