Joker world premiere: Joaquin Phoenix, Zazie Beetz and Todd Phillips attend
Joker follows the journey of Arthur Fleck from a mentally-ill, failed comedian, to his rise as Gotham City's Clown Prince of Crime. The film had its world premiere at the Venice International Film Festival, which was attended by director Todd Phillips, Joaquin Phoenix and Zazie Beetz

Joker, the much-awaited origin story of one of the most iconic villains in pop culture, had its world premiere at the ongoing Venice International Film Festival. The Joaquin Phoenix starrer has managed to please most critics, with some even calling it Oscar-worthy. The film traces the descent towards madness of a troubled individual called Arthur Fleck. At the festival, director Todd Phillips, Phoenix and Zazie Beetz were present. (Photo: Joker Movie/Twitter)

Joaquin Phoenix is the latest actor to don the role of Clown Prince of Crime after Heather Ledger's Oscar-winning turn in 2008's The Dark Knight and Jared Leto's controversial rendition of the same character in Suicide Squad. (Photo: Joker Movie/Twitter)

Deadpool 2 star Zazie Beetz plays the role of Sophie Dumond in Joker, a single mother and Arthur Fleck's love interest. (Photo: Joker Movie/Twitter)

Todd Phillips, also known for The Hangover trilogy, has also co-written the film with Scott Silver. (Photo: Joker Movie/Twitter)

Phillips has previously stated that he had to spend a full year convincing Warner Bros (the studio that owns all the DC properties) to let Joker be R-Rated. (Photo: Joker Movie/Twitter)

Joker draws inspiration from Martin Scorsese's films Taxi Driver (1976), Raging Bull (1980) and The King of Comedy. (Photo: Joker Movie/Twitter)

After 29 reviews collected by Rotten Tomatoes, the film holds an 86 per cent rating. The consensus reads, "Joker gives its infamous central character a chillingly plausible origin story that serves as a brilliant showcase for its star -- and a dark evolution for comics-inspired cinema." (Photo: Joker Movie/Twitter)