Marvel's strongest Avenger has spent years saving the universe, yet his greatest enemy has been a legal contract: Marvel Studios owns the production rights to solo Hulk films, while Universal Pictures controls their distribution. That split has kept Mark Ruffalo's Hulk from headlining his own MCU adventure. Instead, he has smashed aliens in The Avengers, traded science jokes with Iron Man, and stolen scenes everywhere except his own movie. Even the Infinity Stones have had an easier journey.

That is no coincidence, nor is it Marvel playing favorites. Hulk's missing solo movie is the result of tangled rights agreements, studio economics, and years of complicated Hollywood negotiations.

Mark Ruffalo has been remarkably candid about Hulk's missing solo adventure. During an interview with GQ, the actor explained that the roadblock is not Marvel Studios at all. It is Universal Pictures. While Marvel Studios owns the production rights to Hulk, Universal Pictures still controls the distribution rights to any standalone Hulk film, making every green-light decision far more complicated than a gamma experiment as profits and more conditions come into play.

"I don't know if it'll ever really come to be, honestly," as you can see, those words were not a tease. They were a reality check. He added that he would "love one" but the one question that people have been asking behind the scenes is, "There's been so many Hulk movies already, it's like, does anyone really want another one?" All in all, if fans call for a Hulk movie in great numbers, they might get one, maybe.

"A standalone Hulk movie will never happen," is what Ruffalo said while speaking to Variety, before the GQ Interview. Although he did look a bit hopeful in the latter. The question arises at a time when he is making yet another movie, Spider-Man: A Brand New Day, but not on his own. At this time, a standalone film looks as difficult as introducing the strongest Spider-Man variant.

Remember When Leonardo DiCaprio Nearly Played Peter Parker? The James Cameron Spider-Man We Never Got

While Mark Ruffalo's Bruce Banner has spent his MCU run sharing the spotlight with fellow superheroes, Hulk already has a few solo films under his mighty belt.

Before Mark Ruffalo turned Bruce Banner into the MCU's favorite anxious genius, Hulk had already tested the solo-movie waters twice. First came Ang Lee's Hulk, starring Eric Bana. It was less 'monster smash' and more 'Greek tragedy with gamma radiation,' complete with split-screen comic-book visuals and lots of emotional trauma.

Audiences admired the ambition but were not entirely sure whether they were watching a superhero movie or an art-house experiment that happened to throw tanks around. The film earned about $245 million worldwide on a hefty budget and became famous for a massive second-weekend drop. Over time, however, many fans developed a surprising affection for its moody, psychological take on Bruce Banner.

Then came Louis Leterrier's The Incredible Hulk, with Edward Norton replacing Bana and the franchise shifting into full action mode. This version sent Bruce Banner sprinting through Brazil, dodging General Ross, and eventually trading punches with Abomination like a heavyweight bout sponsored by gamma rays. It performed slightly better commercially, reaching roughly $263 million worldwide, but still fell short of blockbuster expectations amid behind-the-scenes creative disputes

Who Is Shocker? Lore of the 'Spider-Man' Villain Reportedly Joining ‘Brand New Day’ Explained

Are you still hopeful for a standalone film of the MCU's Hulk? Let us know in the comments!