Marvel Studios returned to Hall H for San Diego Comic-Con (SDCC), and on Saturday night, they revealed many items, including the bombshell news that Robert Downey Jr. is returning to the Marvel Cinematic Universe as Doctor Doom. Here’s a breakdown: Deadpool & Wolverine Photo: Alberto E. Rodriguez/Getty Images for Disney Though not an “announcement” per se, the Deadpool & Wolverine squad came out. Hugh Jackman, Ryan Reynolds, Emma Corrin, and director Shawn Levy were joined on stage by the surprise, major cameo actors Jennifer Garner, Dafne Keen, Channing Tatum, Chris Evans and Wesley Snipes. Per Disney, “the film’s opening officially pushed the MCU over the $30 billion box-office mark with 34 movies.” Photo: Alberto E. Rodriguez/Getty Images for Disney Captain America: Brave New World Photo: Getty Images Anthony Mackie, who is set to make his film debut as Captain America, was joined by Tim Blake Nelson, Harrison Ford, Danny Ramirez and Giancarlo Esposito. The latter confirmed that...