For all of Tony Starks genius, Green Laterns ring is the most powerful energy source in the universe, he can traverse space, Ironman cannot. Green Lanterns power is only limited to what use his mind can think of for his ring, If he wants a space ship, he can do it, if he whats to make a giant drill to drill through worlds, his ring can do it, If he wants to make his own suit of armor(with armor that is far superior), his ring could do it. Ironmans most powerful weapon would be his photon cannon, but even this at full strength will not break through green lanterns sheild. Could be a one-sided fight, unless Ironman catches GL off-gaurd, but then, it won't be a true fight.
Ironman
54 in.
u need the green latern ring to choose u
Superman
spiderman and ironman
green lantern is stronger than ironman because green lantern can make deadly weapons that can destroy his adimantium or green lantern can throw him to space
Iron Man
With gambits powers not being the most powerful it's my opinion that ironman would win, from a very long distance ironman could take him out. the only exception to this would be if gambit were to catch ironman without his suit on but the likely hood of gamit managing this is slim. i am a fan of both toons but it is ironman who would win this battle overall.
iron man
ironman
Iron man would.... Definitely
juggernaut