to say he doesnt have a grasp of it yet would be accurate if this was said during the middle of the books run, however by the time _Ion_ finished Id say he was pretty well seated & stable; thats wat that who thing on Mogo was about. wat he prolly doesnt have a full grasp on would be his ROLE in the GLC, rather than his power. thats how I read it anyways.....
Nero was tapping into *him*, not the GotUs, and sure he overpowered him......w/help. and as for the "mini-universe of sorts" if U go back U'll see that wat it lookd like he did was convert the explosion into a crystal, but Nero is clearly shown lying on the floor behind him.
as for Nero (as Kyle) having more power than Hal.....we *really* didnt see that. as I remember it Hal didnt make a definitive, but more of a speculative comment to Nero/Kyle.
and the fact that he got straight-up put down by him doesnt say much for him either on the issue; thats the same type of comment Anakin was spewing out to Obi-Wan, yet we know how THAT fight ended right??
Ion drains Thanos of his cosmic power and teleports him into deep space without tech.
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Humans are afraid of the dark.
And yet… At the same time, we’re fascinated and bewitched by it.
Maybe that’s why humans drink the darkness that is coffee.