Yeah, really. Collossus would put up a good fight against a dry Namora, but Namora would crush Piotr if she's wet. She speed blitzed Thor, traded blows with the Hulk and knocked Ms Marvel around like a rag doll.
On the actual X-Men vs Atlas comic, they don't fight, but Collossus staters backwards when Namora blows right past him.
It goes like this
- namora beats up psylocke
- cyclops hits her with an optic blast from behind
-storm grabs the cerebro unit that they stole
-namora chases storm,storms flies by colossus who balls his fist as namor approaches
-namora blows right through him
Slugged it out against Gladiator
KO'd Savage Hulk
KO'd Wendigo
Stopped a uber Juggernaut
One-shotted a massive tank
One-shotted a giant monster
KO'd Blob
Overpowered a giant Sentinel trying to crush him
Fought Red Hulk(before Juggernaut tapping)
Tooled War Machine
Was getting the better of classic Sasquatch
Tossed She-Hulk aside like a ragdoll
Restrained Iron Man
Restrained Binary
Bashed in Abominations face
Tooled the entire New X-Men team
Beat up S'ym(who broke Wolverines claws)
Sent Arkon flying with a punch
KO'd Rockslide(who knocked WWHulk on his @ss)
KO'd Frenzy(who sent She-Hulk packing with a single punch)
Fought Vision to a double KO
Has been called one of the strongest beings on the planet
I don't care if you think Namora wins, I just think you're lowballing Colossus
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