Here's what's publicly known about upcoming new Marvel series "Totally Awesome Hulk": It's from writer Greg Pak and artist Frank Cho. It'll start later this year as part of the post-"Secret Wars" "All-New, All-Different Marvel" lineup. And the Hulk won't be Bruce Banner.

Pak Gives Marvel's All-New, All-Different "Hulk" a "Totally Awesome" Life

Here's what we don't know about it: Just who the Hulk is in this new series.

It's a deliberate mystery, and one that's promised to be revealed early in the book's run -- but for now, Marvel is fanning the flames of speculation with a new teaser, one that alters the previously released "Totally Awesome Hulk" art with a new head, one that suggests an Iron Fist-esque persona behind the new Hulk -- which, by Marvel putting it out there, probably means the Totally Awesome Hulk is anyone but Iron Fist (or is that just what they want us to think?).

Here's a side by side with the original image released back in June, on the left:

Keep reading CBR for the latest on "Totally Awesome Hulk" -- if Marvel tradition holds firm, this is likely the first of multiple teasers hinting towards a possible identity of the new Hulk.