This evening, Guardians of the Galaxy director James Gunn held an impromptu question and answer session on Twitter. He didn't say anything too revealing, but there were a few morsels that might whet your appetite.

Gunn was asked if there's a favorite superhero he wants to bring to the big screen? He replied, "And will do so in GotG2!" Let the speculation begin! Who could it be? I'll let you guys and gals fight it out in the comment section below.

Maybe his favorite superhero will be played by Al Pacino? Gunn was asked which actor he would like to work with? Gunn replied, "Al Pacino." Last year, Pacino praised Guardians of the Galaxy in multiple interviews and revealed that he had met with Marvel Studios boss Kevin Feige. Could that meeting have been for Guardians of the Galaxy 2? If so, who could Pacino play?

Here's some more responses from Gunn that might interest you. You can view all of his responses by clicking here.

“@AdoGon16: What's your favorite superhero movie? And you can't say #GuardiansOfTheGalaxy” Iron Man 1. — James Gunn (@JamesGunn) February 28, 2015

“@cavadj: what's your biggest achievement in your life & how did u achieve it?" @Guardians of course-by trusting my heart and my imagination — James Gunn (@JamesGunn) February 28, 2015

“@DarthCMPunk: which DC film are you most looking forward to?” Probably Suicide Squad. Fingers crossed. — James Gunn (@JamesGunn) February 28, 2015

“@Lonebinky: what's one thing you really want to do but haven't had the chance to do yet?” Write a comic series or graphic novel. — James Gunn (@JamesGunn) March 1, 2015

“@TweetTinyTim: which Marvel character do you wish you could reclaim the rights to so they could appear in your films?” ROM Spaceknight! — James Gunn (@JamesGunn) March 1, 2015

“@Reimedog: @JamesGunn What is your favorite space opera other than Star Wars and GOTG?” Flash Gordon. — James Gunn (@JamesGunn) March 1, 2015

Guardians Of The Galaxy 2 will arrive in theaters May 5, 2017.