Mjolnir's magic and Thor's warrior intelligence give him the slightest edge in this legendary rivalry.
This is perhaps the most evenly matched fight in all of comics. They've fought dozens of times across both publishers' histories, and the results are almost perfectly split โ which tells you everything you need to know about how close this is.
Hulk's case is simple: limitless strength. The longer the fight, the stronger he gets. Thor can hit him with everything in the Asgardian arsenal, and all it does is make Hulk angrier. In World Breaker form, Hulk has shown feats that rival Thor's best.
Thor's advantages are more nuanced. Mjolnir's enchantment means its strikes carry magical force โ one of the few things that can genuinely hurt Hulk. Thor's thousands of years of combat experience give him tactical sophistication that the rage-driven Hulk typically lacks. And Thor has access to the God-blast, a concentrated release of all his godly energy that has staggered Galactus-tier beings.
The key difference is that Thor can end the fight with a specific technique (God-blast, enchantments, BFR via Bifrost). Hulk's win condition is purely 'hit harder than Thor can take,' which requires building rage over time.
Hulk's strength has no ceiling. Every blow Thor lands makes Hulk angrier and stronger. Hulk's healing factor means Thor can't wear him down through attrition, and at sufficient rage levels, Hulk has cracked planets. World Breaker Hulk has matched Sentry โ a being compared to a million exploding suns.
Mjolnir carries enchanted force that actually hurts Hulk. Thor's combat experience spans millennia, giving him tactical advantages that raw-strength Hulk can't match. The God-blast is a trump card that has staggered cosmic entities. Thor can also use Mjolnir to open portals, potentially removing Hulk from the battlefield entirely.
Thor takes a razor-thin majority of their fights through tactical versatility and magical weaponry. But this is essentially 50/50 โ any given fight could go either way, and the comic history reflects that perfectly. This is the ultimate 'depends on the day' matchup.
Hulk also fights
Thor (Norse) also fights