Suggested by Destroyer Tombstone is a powerful Spiderman villain whose durability is so high that it hurts Spiderman just to attack the guy. As a result it’s safe to say that Tombstone will be landing some major damage here. Anguirus has no long range options to try and hold him back so that will end up being his loss. The hits will just add up until victory is claimed. Tombstone wins.
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Given how Anguirus is exposed to radiation and comes out without a Scratch, due to his exposure to Godzilla, Tombstone should have a slight chance of perishing by radiation.
The radiation is a concern so Tombstone will definitely have to try and end this really quickly or it could get dangerous