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Jack should win here, He could so many things to hurt the Hulk, for example sending all the electricity from the city towards the Hulk, electrocuting him. Put on his battlesuit and pummel him with millions of tons of steel and stone. He could use the doors to send him into space. ehm... let's see... even pulling him into the ground, to bury him alive..
I can't see how Hulk would win this one..