Headline: Black Panther: Wakanda Forever Trailer Unveiled at San Diego Comic-Con 
Candidate headlines:
- msnNOW Black Panther: Wakanda Forever Debuts Emotional First Trailer After Chadwick Boseman Death  — same event: yes
- Who is Ironheart? Dominique Thorne's Riri Williams, Explained  — same event: yes
- 'Black Panther: Wakanda Forever' Teaser Debuts Namor in the MCU  — same event: yes
- Marvel teases new Avengers movies, ‘Black Panther’ sequel  — same event: yes