Or just have them go against even a semi-competent villain. Since it's already been brought up, what would this group do if they went up against Nitro like the New Warriors that instigated the Civil War?It's pretty easy to kill the new warriors:
Just misgender them. They are going to 41% themselves.
Then again, all these teen heroes Marvel has shoved out over the last ten years have that same believability problem. You don't buy that Kamala Khan has the mental or emotional fortitude to stand up against, say, Norman Osborne. These kids are never challenged or put through the ringer like Peter Parker was at their age and so nothing they do carries any weight.