The matrix $M$ is defined as $$M = \begin{bmatrix} 1 & 3\\ 4 & 2 \end{bmatrix}$$ and has eigenvalues $5$ and $-2$. The matrix $Q$ is formed as $$Q = M^{3} - 4M^{2} - 2M$$ which of the following is/are the eigenvalues(s) of matrix $Q$?

1. $15$
2. $25$
3. $-20$
4. $-30$