London, July 30 (IANS) Actor Bradley Cooper wants to do a ‘Hangover’ trilogy and insists it is required to wrap up the comedy series.

The 36-year-old actor thinks the comedy film series which sees him star alongside Ed Helms and Zach Galifianakis, who form a bond known as the Wolf Pack – just to close it up, reports thesun.co.uk.

‘I hope there is going to be a ‘Hangover 3′. I’ll do whatever director Todd (Phillips) wants to do, he’s the best, he’s the greatest. And I love those two guys and I love my character Phil so I would do it in a heartbeat,’ said Cooper.

‘That was the hardest shoot I’ve ever done but I just love it. There’s got to be a trilogy, you’ve got to close it up,’ he added.