Mark Ruffalo made his first appearance as the Hulk in the 2012 Avengers. The actor has since reprized the role in numerous Marvel films but has yet to receive a solo film. As Marvel moves forward with the MCU, fans expect the studio to give the character a solo project in the future. Rumors have already that Marvel is planning world war hulk for the character, who will follow the events of She-Hulk, where Smart Hulk was seen leaving for Sakaar. Now reports have been that Mark Ruffalo will appear in the Phase 5 film, Captain America: New World Order.

Latest reports suggest that Mark Ruffalo has a special appearance in the film as the Hulk. The rumors started after Kevin Feige introduced Tim Blake Nelson as one of the actors in Captain America: New World Order. Tim Blake Nelson played Samuel Sterns, aka The Leader, in 2008 The Incredible Hulk.
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Mark Ruffalo’s potential appearance in Captain America: New World Order
After Marvel announced Tim Blake Nelson would be reprising his lead role in Captain America: New World Order, fans are excited to see the actor join the MCU. With Nelson joining the MCU as the leader, fans also began to expect to see Hulk and Mark Ruffalo’s The Leader face-to-face again.

Fans interpreted that Hulk would return to fight The Leader in Captain America 4. Since the Hulk never backed down on the Leader’s actions and did nothing to stop him, he would try to stop the villain in the movie. The film would be suitable to bring these two characters together. Marvel hasn’t made anything official about the Hulk’s appearance.

The latest episode of She-Hulk also hinted at The Leader appearing on the show. The latest episode of She-Hulk shows a group of people preparing to get blood from Jennifer Walters. Fans have started to speculate that The Leader is guiding this group and planning to use their blood to create their Hulk army.
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Captain America: The New World Order Will Lead To Hulk World War
Rumors for world war hulk started since Bruce Banner appeared in She-Hulk. Bruce Banner, aka Hulk, was seen leaving Earth after receiving a message from Sakaar. It’s clear that he went to Sakaar, and his next appearance in the MCU will be tied to why he visited the planet.

There are also rumors that She-Hulk will also join Anthony Mackie in the upcoming film. Not just She-Hulk, there are also claims that Captain America 4 would feature multiple Hulks. Marvel comics have multiple versions of the Hulk, and those versions are set to appear later in the game. World War Hulk.
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In the comics, the Hulk visits his son in Sakaar, and the events following his visit lead to the world war hulk. However, Marvel doesn’t have to follow the same plot as the comics as it has with most of its movies. But world war hulk will begin with Hulk visiting Sakaar.

Marvel hasn’t officially announced anything about world war hulk Again. Captain America still has time for his release. So, fans will have to wait a little longer to see if Hulk will appear in the movie or not and if that will lead to the world war hulk or not.
Captain America will be released on May 3, 2024.
Source: Twitter