Maybe not. Secret Empire was a Captain America story arc back in 1974. A secret group was making Cap look like a fool to the public, and plotted to replace him with one of their pawns. Cap and the X-men foiled the plan, and Cap chased chased the grand leader into the White House. The leader pulled off his hood, scared Cap with his identity, and then shot himself.
In 1974, the Watergate investigation was still going on, and Nixon would resign later that year. The "Number One" in the SE was 100% Nixon back in 1974, but then they retconned it later to be a high ranking senator or something.
Here's a recent full storytime of ithttps://desuarchive.org/co/thread/94897765/