Sentry, also known as Robert Reynolds, is a Marvel Comics character who first appeared in The Sentry #1 (2000). His origin is unique among superheroes: he was initially conceived as a forgotten Golden Age hero whose existence had been erased from the collective memory of the Marvel Universe. Reynolds gained his powers after ingesting a secret serum—"the Golden Sentry Serum"—which gave him the power of a million exploding suns. However, his immense power came with a dark side: a malevolent alter ego known as The Void, which emerges as a manifestation of his deepest fears and mental instability. Throughout his complex story, Sentry has been both a hero and a potential threat, symbolizing the fragile balance between hope and destruction.
Sentry's abilities place him among the most powerful beings in the Marvel Universe. He possesses superhuman strength, speed, flight, telepathy, molecular manipulation, and near-invulnerability. He can regenerate from almost any injury, control light, and even resurrect himself. His power levels are often compared to or exceed those of characters like Thor or the Hulk. Despite his godlike abilities, Sentry’s greatest struggle lies within—his constant battle against the Void, which challenges his mental health and sense of identity. This duality makes him one of the most tragic and compelling figures in Marvel’s pantheon of heroes.
Kang the Conqueror is one of the most powerful and dangerous villains in the Marvel Universe. Throughout his history in the comics, he has travelled through time and conquered countless worlds and realities. In the Marvel Cinematic Universe, Kang was first introduced in the Disney+ series "Loki", where it was revealed that he is an immortal being who has ruled different timelines for centuries. Kang's superpowers are the result of his advanced technology and superhuman intelligence. He has invented devices that allow him to travel through time, control reality and alter history at will. In addition, Kang is an expert in military strategy and has superhuman strength and physical endurance. In the Marvel Cinematic Universe, Kang is played by actor Jonathan Majors, and is expected to play a major role in future films and television series. As one of Marvel's most powerful villains, Kang poses an unrivalled threat to the heroes of the Marvel Universe and promises to be a formidable adversary in the upcoming adventures of the Marvel Cinematic Universe.