Thor and The Avengers star Tom Hiddleston will take part in a live Twitter Q&A session at 5pm today to promote the upcoming Thor: The Dark World.

Twitter users are invited to follow @twhiddleston and go online for the live chat at 5pm, which will begin with "a surprise reveal".

Fans can post questions using #TomQandA, with Hiddleston himself choosing which ones to answer.

Thor: The Dark World will be released on Wednesday October 30.