Extract save from the contents tab
mod in HxD or Hexworkshop
open checksumfixer and hit the picture on the left (which is the old hulk) to open ur save
then hit the picture to the right (which is hulk from the avengers) to fix checksum
add file back into contents tab
rehash and resign
enjoy
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thank you to Feudalnate for packageIO
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http://www.4shared.com/rar/v6kIDZiI/...le_Hulk_2.html