Normally I have a strict rule of not buying featured crystals because they never got me anything valuable...
The I played the secret empire mission and struggled so hard with Master Mode Punisher that I desperately wanted to get him.
I bought 5 featured and got two 4* (She-Hulk and Vision AOU), two 3* punisher 2099 and one 2*.
A few minutes ago I saw a video from Seatin about Green Goblin which made me want him even more (kabam just made him one if not the visually most appealing characters) so I bought one and got this:

So is it just my luck or are the featured crystals now worth the units?
Off topic: Is vulture good? Haven't heard that much about him