Puss will put a minion on all heroes who’s special includes the chance of creating a minion for the caster.
Best I can tell it includes the following List:
- Queen of Hearts
- Puss in Boots (if you have a second one…)
- Red Hood
- Seshat
- Santa
- Mother North
- Inari
- Delilah
- Lady of the Lake
- Thoth-Amun
- Buddy (4* Hero)
- Rudolph (3* Hero)
Some Future Heroes also include: