Secret Invasion, the spy thriller set around Samuel L. It may be a promising start, but given how most MCU shows abandon genre specificity in favor of One Big Final Battle, there's a worrying chance that Secret Invasion will drift away from what makes it unique in favor of more Marvel homogeneity. It may be a promising start, but given how most MCU shows abandon genre specificity in favor of One Big Final Battle, there's a worrying chance that Secret Invasion will drift away from what makes it unique in favor of more Marvel homogeneity