Question about Prologue 's reward

SleepyMSD Posts: 7 Just Dropped In
16 days ago, I started playing MPQ. 3* Human Torch (Classic) was the reward at stage 1 "Avengers Tower, Attacked!" and stage 7 "Top Floor" in H.A.M.M.E.R chapter. But when I create another account today, he is disappeared from the reward. What is happening here? Does anyone know about this problem? Thank you so much.
I took some photos to prove it: