X-Men: Apocalypse's "Sinister" credits scene was supposed to lead to Channing Tatum's Gambit

The end-credits scene of X-Men: Apocalypse got fans excited as it teased the debut of classic villain Mister Sinister, only for the character to never show up. But there was actually a plan involving Channing Tatum's long-delayed Gambit solo movie. As originally seen on Critical Hit! X-Men: Apocalypse’s “Sinister” credits scene was supposed to lead to Channing Tatum’s Gambit