The Avengers eventually managed to locate Ultron purchasing a new supply of vibranium from arms-dealer Ulysses Klaue while within the city of Johannesburg. Thor and the other Avengers confronted Ultron and his companions, Wanda and her brother Pietro Maximoff. Eventually, the drones were all destroyed by the combined efforts of the Avengers, with Ultron commenting that it had been a dramatic few moments. When Ultron told them that the only way to ensure peace was to destroy the Avengers, Thor then responded by angrily throwing Mjølnir at the robot, destroying his body only for Ultron to download his body to another area while singing a song from Pinocchio as his current body then shut down. Still promising to protect the Nine Realms from any future dangers with his last and every breath, Thor noted how the sacrifices of such a life changed the man who would become the king.
Thor’s newly forged maul Stormbreaker is able to focus and hone Thor’s powers, acting as a conduit, and is the strongest weapon in Asgard’s history. The weapon, due to being made out of Uru, is nigh-indestructible and created to combat the Infinity Gauntlet and kill Thanos, it was able to withstand and overpower an energy blast powered by all six Infinity Stones and even grievously injure Thanos. The only reason it failed to kill reciprocal socialization Thanos was that Thor intentionally delayed the killing blow, a catastrophic mistake unrelated to the weapon’s abilities. Stormbreaker is able to summon the Bifrost Bridge, even after the bridge’s apparent destruction, shown when Thor teleported himself, Rocket Raccoon and Groot to Wakanda instantly. The weapon, like Mjølnir before it, will return to Thor’s hand when he opens it and strikes his opponents with massive force.
Seeing that he had genuinely upset him, Thor decided to apologize and Hulk accepted, noting that nobody actually called Hulk the stupid Avenger. As they sat together, Thor claimed they were very alike, with Hulk comparing himself to raging fire and Thor to either water or a smoldering fire. Once he got Hulk to calm down, Thor told him to do something of his favor, asking him to bring Valkyrie to his room so he could convince her to help him to escape. As their childish argument continued, Hulk told Thor to stop kicking stuff, to which Thor responded by claiming that Hulk was known as the stupid member of the Avengers, as Hulk called Thor the tiny Avenger.
Now ready for battle, Thor then went searching for both Loki and the rest of the Avengers, who were all currently in New York City, in order to complete his mission to stop Loki’s plans for complete world domination. As their battle continued while Captain America and Iron Man still attempted to fix the Helicarrier and keep it from falling out of the sky, Hulk started to gain the upper hand against Thor and threw him around like a ragdoll across the ship. Eventually, Thor was aided as a single S.H.I.E.L.D. jet, sent by Nick Fury, fired upon Hulk. Thor managed to avoid the bullets while the furious Hulk then turned his attention to the Jet, which caused him to leap from the Helicarrier and rip it from the sky, falling to Earth as a result, saving Thor from further beatings from the Incredible Hulk’s fury. Thor rejoined the Avengers alongside Natasha Romanoff inside the laboratory just as an argument was breaking out between them all, as Tony Stark had just now learned that S.H.I.E.L.D. was using the power of the Tesseract to recreate the weapons of HYDRA and had not informed the team of this fact.
Loki screamed at him to make him stop, attempting to stab him in the back, but Thor manages to destroy the bridge, causing the energy of the Bifrost to explode and create a wormhole. Eventually, Thor launched forward at his brother, knocking both of them out of Himinbjorg where Loki seemingly nearly fell off the Rainbow Bridge. However, when Thor attempted to save him, Loki revealed it to be another trick and surrounded Thor with illusions of himself, laughing maniacally. After a gruesome fight, Thor managed to tie Loki down by placing Mjølnir on top of him and went to stop the Bifrost, but saw that it was too far gone to be stopped now. Thor then threw Mjølnir at the Destroyer, knocking it off its feet before he created a tornado around the Destroyer and engaged it, forcibly lifting it high in the air while using Mjølnir to block its deadly beams of energy.