Mark my words

A muscular, bloodied man with black hair and a green and blue outfit stands in a battle stance against a dark, starry background, then screams in pain as his face is engulfed in a bright yellow aura, followed by a shot of a baby with black hair sleeping peacefully, then a large orange and red explosion, and finally the man, now with a long red tail, looking up in shock at a distant figure standing on a rock formation under a bright yellow sky.