'Captain America: Civil War' is one of the most anticipated of Marvel's First Phase 3 adventure to hit theaters in nine months. An extended, alternative version of this teaser trailer has premiered at the AsiaPop ComicCon in Malaysia. There will be two in 2016 that will start with 'Captain America: Civil War' in May, followed by Doctor Strange in November. The movie is technically 'Captain America 3' with direct continuation of the events seen in 'Avengers: Age of Ultron.'

Movie Web said Scarlet Johansson's Black Widow may be acting as a double agent in this latest trailer. After having conspired with Steve Rogers, Black Widow brings a report to Tony Stark and General Ross. Also seen in the trailer are newcomer Chadwick Bosema's Black Panther and Paul Bettany as Vision. Though Vision and Black Widow is an item in the comic books, the two will be seen going fist-to-fist in this upcoming sequel.

Scarlett Johansson's Black Widow is the rumored double agent and sounds like she will double cross Captain. Black Widow is shown reporting to the government including General Ross and Tony Stark before her showdown with Jeremy Renner's Hawkeye. There will be more fight for Black Widow and Hawkeye. Vision is fighting both Scarlet Witch and Falcon.

IBTimes reported that the description for 'Captain America: Civil War' trailer has leaked online which was set to air at Disney's D23. According to the report, the trailer shows close ups of Scarlet Johansson's Black Widow, Hawkeye and Scarlet Witch War Machine fighting Wanda.

The trailer shows also someone's legs walking most possibly belong to the villain Baron Zemo. Close up of Spider-Man fighting Baron Zemo in a fast fighting montage is also seen in the trailer.

With just a few days away to Disney's D23 Expo 2015 which will be held from August 14-16 at the Anaheim Convention Center, the trailer will be known if it is real or fake.

The movie will be seen in theaters on 6 May 2016.