New 'Avengers: Endgame' toys offer hints about the movie

For a while, fans thought we may see a merged version of the Hulk and Bruce Banner (Mark Ruffalo) characters called Professor Hulk, and we think that's what we're seeing here.

In "Avengers: Infinity War," Bruce Banner was having a lot of trouble accessing the Hulk throughout the movie. On the film's Blu-ray commentary, "Infinity War" co-director Joe Russo said the reason Banner had trouble accessing the Hulk was because the two hate one another and the green guy is fed up.

"We thought an interesting direction to take [Hulk] in is: Well, what if Banner, who typically uses the Hulk to solve crisis situations — what if the Hulk were no longer interested in solving those problems for Banner? The relationship is becoming increasingly dysfunctional," said Russo. "He's tired of playing hero to Bruce Banner."

Read more: 23 things we learned about the making of 'Avengers: Infinity War' that answer pivotal questions about the movie

At the end of "Infinity War," Banner tells Hulk they need to work on some things. By the time we see them again in "Endgame," it's possible Banner and Hulk have found some peace with one another and that they're co-existing much better since the Thanos snap. (What better way to bring people back together than by vanquishing half of the universe from existence?) Banner also may have even more control over the Hulk while he's transformed.

In the comics, Banner gave the professor version of the Hulk a safeguard so if he gets too angry, he'll automatically transform back into Banner. As for that weapon Banner is wielding? We think it's most likely something he just rips up out of the street.