Otherwise, if it's regular Thor, then still Thor. Asura's physically more powerful, but Mjolnir would still f*** him up.
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"To all visitors from Transylvania looking for the head of Voivode Dracula: Yes, we have it. Yes, he's dead. No, you cannot see it. No, he will not return and invade you again. It has been over thirty years, please stop pestering us."
Regular Thor at his average, sure, I agree he'd get his shit pushed in. Regular Thor at his absolute peak? Nah, he'd win.
__________________
"To all visitors from Transylvania looking for the head of Voivode Dracula: Yes, we have it. Yes, he's dead. No, you cannot see it. No, he will not return and invade you again. It has been over thirty years, please stop pestering us."