Will my AP scores kill my chances?

I am a junior planning on applying to Ivy League schools, but I really tanked my AP tests last year. I got a 2, two 3’s, and a 4. How will this affect my admissions.

AP scores are self-reported. Report only the 4. Colleges won’t see the others.

No, because the only college you have to send AP scores to is the one you matriculate at, in order to get course credit. They play practically no role in admissions.