Steve Granitz/FilmMagic Flame on! Chris Evans has broken his silence on his supersized secret cameo in Deadpool & Wolverine, in which he reprises his role as Johnny Storm/The Human Torch from 20th Century Fox’s Fantastic Four franchise from the 2000s. “Thank you to @vancityreynolds @thehughJackman and @slevydirect for letting me be a part of such…