And I've already explained to you the difference between a T-800's neck, Robocop's and the fact that Marcus needed the leverage of the metal bar and the T-800 to be focusing of Conner. He's going to need to get right on Robocop, if he's going to try something. He grabs Robocop, Robocop can grab him back. Make claims all you like, Marcus got his ass kicked and then killed when he tried to go as you said "toe to toe" with a T-800, watch the film.
This is if course if Robocop doesn't fluke out and drop his ass with his gun due to Marcus' glass jaw, or blind him with shots to the eye, as Robocop has perfect aim. Both possibilities.
A far as your rants over Marcus' speed, he's as fast as a regular human, so lets not over masturbate on this; admittedly, that's still faster than Robocop. In Robocop 3, he fought and took out multiples of the ninja androids, which were fast, very agile and armed with swords specifically made to slice through Robocop's armor. Marcus gots his hands here.
LoL, it was as skycraper Robocop fell off of and it was a very, very long drop down, through a concreate floor/roof, ending onto further concrete; he took no noticeable damage.
Do you know what it took to rip Robocop apart in that pic? He was chained down with very thick chains, and a jackhammer was repeatedly applied to the joints over a substantial length of time, Marcus isn't replicating this. Should I post a pic of Marcus' dead body after being punched in the chest from one jab, you know, for dramatic affect as you tried?
Anyhow, you're on one of your 'RJ's out to get a character' modes, so there's really no need.