Warning: contains spoilers for Thor #26!
The sacrifice of Thor in the Marvel Cinematic Universe was a defining moment for the character, in which he was able to change and grow as a superhero — but an equivalent moment in the comics unfortunately missed what made the MCU great. Ever since the MCU's explosion in popularity, comics often recontextualize moments from the films or simply allude to them for the purposes of synergy between two groups of fans: the moviegoers and comic book readers. But a major moment in Thor #26 shows that not every attempt at synergy is successful, especially when an angry Thor becomes a Hulk.
In recent Marvel comics continuity, Thor has experienced immense trauma. His father Odin was recently killed at the hands of Mangog, and his enchanted Mjolnir weapon destroyed (although the spirit of his father now resides in the hammer). When he hears that the Hulk has killed seventeen people at a bar in El Paso, Texas, he doesn't hesitate and decides to take Bruce Banner down once and for all. Unfortunately, during the battle, the Hulk exhibits a power unlike any demonstrated before, and a massive gamma explosion transforms Thor into a Hulk of his own.
Related: Thor: Love & Thunder Risks Repeating Endgame's Mjolnir Mistake
In Thor #26, written by Donny Cates with art by Martin Coccolo, readers witness the horrifying aftermath of Thor's transformation into the Hulk. The strength of an Asgardian combined with the strength of a gamma-superpowered Hulk proves far too much for Iron Man to handle, and he calls for aid from Asgard (courtesy of Odin's ravens). Sif summons the Bifrost Bridge to bring the King of Asgard home...but the rage-filled Hulk inside him is angry, and destroys the legendary rainbow
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