Marvel Rivals Captain America Swimsuit: Seaside Sentinel

The Marvel Rivals Captain America swimsuit skin is called Seaside Sentinel, an Epic-tier summer costume released during Season 8.

The availability window

It ran from 2 July 2026 at 9:00 UTC through 31 July 2026 at 2:00 UTC. That is a four-week window, which is typical for Marvel Rivals seasonal cosmetics — they are time-limited rather than permanent store fixtures.

If you missed it, the realistic expectation is a rerun rather than a permanent loss. NetEase has brought seasonal skin lines back in later summers, though nothing about a specific return has been committed to.

The wider summer line

Seaside Sentinel was part of a broader run of swimsuit skins that Marvel Rivals has leaned into across successive summers. The Season 9.5 batch, arriving in August 2026, covered Star-Lord, Storm, Black Cat, Bucky, Scarlet Witch and Magik — Captain America was not in that set, which is a common source of confusion for people who saw the Season 9.5 announcement and went looking for him in it.

Why it got covered

The skin drew an unusual amount of press for a cosmetic, largely on the strength of how much attention the character model received. That coverage is also why searches for it spiked well past the numbers a normal Epic skin generates.

Buying seasonal skins

Epic skins are store purchases using Units or Lattice rather than Battle Pass unlocks. Units are earnable in-game; Lattice is bought with money. If a skin you want is in the store on a timer, the practical advice is straightforward: the timer is real, and the store rotates.