Sabretooth or Morningstar to rank 3

Byucoug21

I can rank 3 Sabretooth or Morningstar, or I can save up to rank 4 my Ægon.
My current questing team is:
3/45 duped Ægon 5*
3/45 unduped Black Widow CV 5*
5/50 Corvus duped 4*
5/50 duped Darkhawk 5*
4/40 duped Human Torch 4*

Any suggestions?

SuperiorSymbiote

Yo nice roster dude I’d consider investing in Ægon if high sig if not I’d go Morningstar