The 'Sinners' mid-credit and post-credit scenes explained — and why one leaves the door open for a sequel

Michael B. Jordan plays both Smoke and Stack in "Sinners."

Warner Bros.

• "Sinners" has a mid-credit and a post-credit scene.
• The new film, starring Michael B. Jordan, is Ryan Coogler's first original film in over a decade.
• The "Sinners" mid-credit scene has a twist that hints at a sequel, but one hasn't been confirmed.

Warning: spoilers ahead for "Sinners."

Fans who have waited a decade for a new original movie directed by Ryan Coogler after his blockbuster...