Loot Crate and Serial Box have teamed up for an incredible sweepstakes to celebrate the release of Marvel’s Black Widow: Bad Blood, Serial Box’s newest ebook & audiobook series you can read OR listen to on your phone and on the web. One lucky winner will receive the Marvel 80th Anniversary Crate + Premium Jacket and all-access to Serial Box’s content. Ten First Place Winners will receive Marvel’s Black Widow: Bad Blood series from Serial Box + a Loot Crate “Best of Marvel” custom crate. Head to https://www.lootcrate.com/contests/serial-box-sweeps for your chance to enter.