It is rare to see DC Comics and Marvel Comics crossover with each other, but in one particular crossover, Green Lantern and Iron Man fought. Though the two heroes are very different, Hal Jordan learned from Tony Stark to create his very own Iron Man suit.
The Marvel/DC crossover Unlimited Access serves as a follow-up to 1996's DC vs. Marvel event by Ron Marz, Peter David, Dan Jurgens, and Claudio Castellini. In the follow-up, Access, an original hero introduced in DC vs. Marvel, inexplicably goes back in time to before the events of that crossover. As a result, with neither team recalling the repercussions of their last war, the Justice League and The Avengers end up butting heads and, representing each other's teams (and, by proxy, each other's universes), Green Lantern and Iron Man come face to face.
Related: Green Lantern's Origin Hides a Shocking Secret That Disgraces Hal Jordan
In Unlimited Access #3 by Karl Kesel and Pat Olliffe that Hal Jordan and Tony Stark feel compelled to tussle with each other after Tony mocks Hal's ring. This gives Hal the idea to use his Green Lantern ring to manifest an Iron Man armor. Most readers will agree that it's pretty awesome to see Green Lantern get his own Iron Man armor. However, the moment is far bigger than even that. What is most impressive about this is the fact that Hal's Green Lantern energy manifested Iron Man suit mimicked Tony Stark's Iron Man suit so perfectly that it was actually on par with Tony's original suit.
In the context of classic Iron Man lore, it takes complicated technical means to construct the perfect suit for Tony Stark. Never mind the actual mechanical constructs that make up the machine itself (although those are extremely important), but it is all
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