Marvel's 'Thunderbolts' trailer gave fans a glimpse at the character Sentry. So, who's playing the character after the original actor dropped out of the production?

We're diving into the truth about Bob and who he really is, and no, it's not that he has six fingers (because he actually only has five after all). Bob is actually a man named Robert Reynolds, and Reynolds would gain his powers through an experimental Super-Solider Serum (which was part of Project Sentry).