Cosplayers and fans cross Harbor Drive on their way to the San Diego Convention Center as Comic-Con 2025 officially opens on Thursday, July 24. (Nelvin C. Cepeda / The San Diego Union-Tribune)Large crowds of people wait to enter the San Diego Convention Center. (Nelvin C. Cepeda / The San Diego Union-Tribune)Attendees line up to enter the San Diego Convention Center as Comic-Con 2025 officially opens on Thursday. (Nelvin C. Cepeda / The San Diego Union-Tribune)A sea of people gather in front of the San Diego Convention Center as Comic-Con 2025 officially opens. (Nelvin C. Cepeda / The San Diego Union-Tribune)The San Diego Convention Center starts to fill up as Comic-Con 2025 officially opens. (Nelvin C. Cepeda / The San Diego Union-Tribune)On the opening day of Comic-Con 2025, fans wait in line to enter the Comics & Entertainment booth in the exhibit hall at the San Diego Convention Center. (Nelvin C. Cepeda / The San Diego Union-Tribune)Attendees enter the exhibit hall while others take a brief break just outside on Thursday, July 24. (Nelvin C. Cepeda / The San Diego Union-Tribune)Comic-Con attendees cross Harbor Drive on their way to the San Diego Convention Center. (Nelvin C. Cepeda / The San Diego Union-Tribune)Members cross Harbor Drive on their way to the San Diego Convention Center as Comic-Con 2025 officially opens on Thursday, July 24. (Nelvin C. Cepeda / The San Diego Union-Tribune)A group of cosplayers line up on Fifth Avenue across from the San Diego Convention Center. (Nelvin C. Cepeda / The San Diego Union-Tribune)Fans along Fifth Avenue move to and from the San Diego Convention Center as Comic-Con 2025 officially opens. (Nelvin C. Cepeda / The San Diego Union-Tribune)On opening day of Comic-Con 2025A, Nicholas Cox (l), Kalvin Hom (m) and Elisha Ma (r) look over the program to plan their day of events. (Nelvin C. Cepeda / The San Diego Union-Tribune)A group of friends nap after an eventful opening day at Comic-Con 2025. (Nelvin C. Cepeda / The San Diego Union-Tribune)