• Captain America: Civil War is the third installment of the Captain America films directed by Joe and Anthony Russo staring  Chris Evans, Robert Downey Jr., Scarlett Johansson and Sebastian Stan.

Captain America: Civil War is the third installment of the Captain America films directed by Joe and Anthony Russo staring Chris Evans, Robert Downey Jr., Scarlett Johansson and Sebastian Stan. (Photo : Facebook/Marvel)

New details for "Captain America: Civil War" will feature a darker theme and controversial ending, as well as new theories about Spider-Man's appearance in the film.

Film directors Anthony and Joe Russo revealed several new details for "Captain America: Civil War" during the Wizard World Cleveland Comic con event as they stated that third film will have much more intensity and a darker tone similar to second film "Captain America: The Winter Soldier".

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The Marvel Cinematic Universe films are known for their slightly lighter tone in their films, but "Captain America: Civil War" is undoubtedly tackling a more serious issue, particularly the role of the Avengers within society as they are depicted as heroes, while sees them as violent and out of control vigilantes.

The Russo brothers pointed out that "Civil War" will flesh out even further the dynamic relationship between Steve Rogers/Captain America (Chris Evans) and Bucky Barnes/The Winter Soldier (Sebastian Stan) as the film will further feature their team work and friendship all throughout the war.

There is also a hint that "Captain America: Civil War's" ending could have a very "controversial" ending as Joe Russo pointed out that consequences in "Civil War" will have a more significant impact than that of "The Winter Soldier" movie and will change the MCU's psychoogy and it's an extreme rift, Den of Geek reported.

In other news, new theories for Peter Parker/Spider-Man's (Tom Holland) appearance in "Captain America: Civil War" has been revealed.

According to WhatCulture, there are atleast eight different theories about Spider-Man's first appearance in the MCU. The first theory will have join Team Captain America along with Avenger members Falcon (Anthony Mackie), Ant-Man (Paul Rudd), Scarlet Witch (Elizabeth Olsen), Sharon Carter (Emily VanCamp), Hawkeye (Jeremy Renner) and Winter Soldier. The reason behind this is that Peter believes that its the right stance and does not see the Accords as the best way to defend everyone.

The second theory is that Spidey will join Iron Man's (Robert Downey Jr.) team as he agrees with what the Accords stand for and will have both the government and superheros help make the world better. The third theory speculated that he is part of the reason why the Accords has been implemented as the world feared super powered beings and aliens from the universe and the Avengers are no different.

The fourth theory will have Tony Stark built Peter's Spider-Man suit for him, which previously been rumored complete with web shooters. The fifth will have Spider-Man willingly unmasked himself as Peter Parker similar to the comics, while the sixth theory will have him being a fan of Iron Man and it is hinted that he is the kid that Tony saved at the Stark Expo attack in "Iron Man 2".

The seventh theory will have him appear in the post credit scene of "Captain America: Civil War" and the eight theory will be nothing more than a glorified cameo of the web-slinger.

"Captain America: Civil War" will be release in cinemas on May 6.